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The condition index in fish is a way to measure the overall health of a fish by comparing its weight with the typical weight of other fish of the same
Condition_index_in_fish
Expected weight for a particular species of fish
species of fish with literature references. Accessed 11/28/2013 Wright, R.A. Relative weight: an easy to measure index of fish condition. Alabama Cooperative
Standard_weight_in_fish
Structure to allow fish to migrate upriver around barriers
A fish ladder, also known as a pescalator, fishway, fish pass, fish steps or fish cannon, is a waterway structure on or around artificial and natural
Fish_ladder
In biology, any group of fish that stay together for social reasons
schooling In biology, any group of fish that stay together for social reasons are shoaling, and if the group is swimming in the same direction in a coordinated
Shoaling_and_schooling
Potential hazard from consuming fish
in fish is a health concern for people who eat them, especially for women who are or may become pregnant, nursing mothers, and young children. Fish and
Mercury_in_fish
Overview of and topical guide to fisheries
Fish mortality – Fish mortality is a term widely used in fisheries science that denotes the loss of fish from a stock through death. Condition index –
Outline_of_fisheries
Illegal harvesting of fins from live sharks
carnivorous fish that the sharks usually fed on thrived. The carnivorous fish, in turn, preyed on parrotfish that kept the corals clean. In time, the reefs
Shark_finning
Fish in the pelagic zone of ocean waters
Pelagic fish live in the pelagic zone of ocean or lake waters—being neither close to the bottom nor near the shore—in contrast with demersal fish that live
Pelagic_fish
Fishing industry practice
food web is the process whereby fisheries in a given ecosystem, "having depleted the large predatory fish on top of the food web, turn to increasingly
Fishing_down_the_food_web
Raising or harvesting fish
fishing grounds). Commercial fisheries include wild fisheries and fish farms, both in freshwater waterbodies (about 10% of all catch) and the oceans (about
Fishery
A fish screen is a barrier to prevent fish from swimming or being drawn into an aqueduct, cooling water intake, dam intake tower, or other diversion on
Fish_screen
Current of the Pacific Ocean
current system. It accounts for roughly 18-20% of the total worldwide marine fish catch. The species are mostly pelagic: sardines, anchovies and jack mackerel
Humboldt_Current
Fish which live amongst or in close relation to coral reefs
Coral reef fish are marine fish which live amongst or in close relation to coral reefs. Coral reefs form complex ecosystems with a high amount of biodiversity
Coral_reef_fish
Killing of fish by humans
Fish slaughter is the process of killing fish, typically after harvesting at sea or from fish farms. At least one trillion fish are killed each year for
Fish_slaughter
conservation, and are addressed in fisheries science programs. According to a 2019 FAO report, global production of fish, crustaceans, molluscs and other
Environmental impact of fishing
Environmental_impact_of_fishing
Parameter in fisheries population dynamics
Fish mortality is a parameter used in fisheries population dynamics to account for the loss of fish in a fish stock through death. The mortality can be
Fish_mortality
Fish that live and feed on or near the bottom of seas or lakes
fish are bottom feeders. They can be contrasted with pelagic fish, which live and feed away from the bottom in the open water column. Demersal fish fillets
Demersal_fish
Fish or other marine species caught unintentionally
Bycatch (or by-catch), in the fishing industry, is a fish or other marine species that is caught unintentionally while fishing for specific species or
Bycatch
Industrial harvest of small open-ocean crustaceans
which are concentrated in the digestive gland in the cephalothorax of the krill. Most krill is used as aquaculture feed and fish bait; other uses include
Krill_fishery
Removal of any species of fish from water at a rate that the species cannot replenish
existing fish stocks), resulting in the species becoming increasingly underpopulated in that area. Excessive fishing practices can occur in water bodies
Overfishing
Sustainable fishing for the long term fishing
habitats, such as estuaries and coral reefs, in critical condition. Current aquaculture or farming of piscivorous fish, such as salmon, does not solve the problem
Sustainable_fishery
Fish that inhabit the sea between the shoreline and the edge of the continental shelf
the continental shelf. Coastal fish include forage fish and the predator fish that feed on them. Forage fish thrive in inshore waters where high productivity
Coastal_fish
Smallest fish measurement at which it is legal to keep or sell a fish
size (MLS) is the smallest fish measurement at which it is legal to keep or sell a fish. The MLS depends on the species of fish. Sizes also vary around the
Minimum_landing_size
Shower of organic detritus in the ocean
bathypelagic zones by sinking and vertical migration by zooplankton and fish. Export flux is defined as the sedimentation out of the surface layer (at
Marine_snow
is perhaps the fish that the Dutch saw when they first landed in Mauritius in 1598. As reported by historians: "they saw many fish in the streams around
Wildlife_of_Mauritius
live fish mainly for use in aquariums, which involves spraying a sodium cyanide mixture into the desired fish's habitat in order to stun the fish. The
Destructive_fishing_practices
Low-oxygen areas in coastal zones and lakes caused by eutrophication
harmful phosphates in detergents, warned about algal blooms and dead zones, "The fish-killing blooms that devastated the Great Lakes in the 1960s and 1970s
Dead_zone_(ecology)
Fish that mostly live in freshwater
Freshwater fish are fish species that spend some or all of their lives in bodies of fresh water such as rivers, lakes, ponds and inland wetlands, where
Freshwater_fish
History of Colorado Index of Colorado-related articles List of Colorado-related lists Outline of Colorado "An eField Guide to Western Fishes - Colorado and
List_of_fishes_of_Colorado
Device for counting fish populations
Automatic fish counters are automatic devices for measuring the number of fish passing along a particular river in a particular period of time. Usually
Fish_counter
Type of change to how a system is measured
to identify the correct "baseline" population size (e.g. how abundant a fish species population was before human exploitation) and thus, wind up working
Shifting_baseline
Localized die-off of fish populations
The term fish kill, also known as fish die-off, refers to a localized mass die-off of fish populations in a body of water, which may also be associated
Fish_kill
Study of the form or morphology of fishes
study of how the component parts of fish function together in the living fish. In practice, fish anatomy and fish physiology complement each other, the
Fish_anatomy
Semi-discrete subpopulations of a particular species of fish
are traditionally ignored. Stocks fished within biologically sustainable levels decreased from 90% in 1974 to 62.3% in 2021. All species have geographic
Fish_stocks
important fish species Sustainable fishery Pablo E. Puertas & Richard E. Bodmer (2004). "Hunting effort as a tool for community-based wildlife management in Amazonia"
Catch_per_unit_effort
Protection and preservation of saltwater ecosystems
writings are so sensitive to the feelings of fish, birds and other animals that she could put herself in their place, buoyed by the air or by water, gliding
Marine_conservation
column specifies the grade in which the kanji is taught in Elementary schools in Japan. Grade "S" means that it is taught in secondary school. The list
List_of_jōyō_kanji
Measure of the ability of water to sustain biological productivity
trophic index may sometimes be used to make a rough estimate of biological condition of water bodies. Carlson's index was proposed by Robert Carlson in his
Trophic_state_index
Consumer advisory list
What is a fish lover to eat? which also came out in the late 1990s. Due to its popularity, the official public outreach campaign launched in October 1999
Seafood_Watch
Scale on the quality of an environment
A biotic index is a scale for showing the quality of an environment by indicating the types and abundances of organisms present in a representative sample
Biotic_index
Ecosystem event
piscivorous fish is increased in a lake, the abundance of their prey, smaller fish that eat zooplankton, should decrease. The resulting increase in zooplankton
Trophic_cascade
Concept of fisheries oceanography
concept in fisheries oceanography that refers to the way a fish population utilizes different tides and currents at different times to remain in a certain
Hydrographic_containment
Process used in fisheries management
with the information that is used in the regulation of a fish stock. Biological and fisheries data are collected in a stock assessment. A wide array of
Stock_assessment
Measuring of individual fish and various parts of their anatomies
Fish and various parts of their anatomies are measured for data used in many areas of ichthyology, including taxonomy and fishery biology. Standard length
Fish_measurement
Fishing regulation limiting people's allowances to fish
New Zealand in 1986. Historically, inshore and deepwater fisheries were in common ownership where no one had a property right to the fish (i.e., owned
Individual_fishing_quota
Species of fish
freshwater fishes". The WorldFish Center. 19 (3): 49–52. Ekpe, A.I.; Asikpo, E.-I. M. (2019). "Sex ratio, size structure and condition index in the rope fish, Erpetoichthys
Reedfish
They can be used internally or externally in fish, marine animals or research animals. They are also used in other industries such as the food and beverage
Data_storage_tag
Regulation of fishing
in the optimal use of aquatic renewable resources, primarily fish. According to the Food and Agriculture Organization of the United Nations (FAO) in the
Fisheries_management
Species of fish
threshold gonadosomatic index (GSI) for breeding is 10.5 units in females. Females also need to attain a body fitness (Fulton's condition factor) of at least
Pool_barb
Nonprofit ocean conservation organization
names in different countries. The methodology of Oceana's studies has also been questioned, mainly due to its selection of historically mislabeled fish for
Oceana (conservation organization)
Oceana_(conservation_organization)
Organisation promoting and certifying sustainable aquaculture
Initiative (GSI, established in 2013); and the Sustainable Shrimp Partnership (SSP, launched in March 2018) which operates in Ecuador. The GSI member companies
Aquaculture Stewardship Council
Aquaculture_Stewardship_Council
Conceptual column of water from the surface to the bottom of a body of water
The (oceanic) water column is a concept used in oceanography to describe the physical (temperature, salinity, light penetration) and chemical (pH, dissolved
Water_column
acidification in the North Pacific and its effects on fish. They are also part of an ongoing project to use radar to map surface currents in the Arctic Ocean
College of Fisheries and Ocean Sciences
College_of_Fisheries_and_Ocean_Sciences
Species of fish
and Sulawesi. Hong Kong: Periplus Editions. p. 221. ISBN 978-0-945971-60-3. Fishbase Confirmed Occurence [sic] of the Longjaw Snake Eel What's That Fish
Longfin_snake-eel
Area containing fish that are harvested commercially
Wild fisheries are natural bodies of water with a sizeable free-ranging fish or other aquatic animal (crustaceans and molluscs) population that can be
Wild_fisheries
associated fish or aquatic population which is harvested for its commercial value. Fisheries can be wild or farmed. Most of the world's wild fisheries are in the
Ocean_fisheries
Fisheries for cod
here. Cod are demersal fish found in huge schools confined to temperate waters in the northern hemisphere. Atlantic cod are found in the colder waters and
Cod_fisheries
Management concept
adopted in 1955 gave foreign fleets the right to fish off any coast. Nations that wanted to exclude foreign boats had to first prove that its fish were overfished
Maximum_sustainable_yield
Country in Northern Europe
high-income and an advanced economy ranking very high in Human Development Index. Lithuania ranks highly in digital infrastructure, press freedom and happiness
Lithuania
Fishing certifier
stakeholders in the seafood industry consider the fishery "exploratory", since so little is known about it. However toothfish has been fished commercially
Marine_Stewardship_Council
Hypothesis to explain recruitment variation
phenology of their primary prey items, the interactions between herring fish reproduction and copepod spawning, the relationship between winter moth egg
Match/mismatch
Annual fish migration off the shores of South Africa
this may have looked like a small shoal of fish to the shark. Meanwhile, a woman in her 40s broke her leg in the frenzy at Amanzimtoti when the sardines
Sardine_run
A fishery is an area with an associated fish or aquatic population which is harvested for its commercial or recreational value. Fisheries can be wild or
Population dynamics of fisheries
Population_dynamics_of_fisheries
Habitat that supports marine life
organism, as in pelagic fish. Similarly, an organism living in a demersal habitat is said to be a demersal organism, as in demersal fish. Pelagic habitats
Marine_habitat
Nonprofit environmental advocacy group
stop overfishing or require the rebuilding of fish stocks. There was no prohibition of bycatch when fish and animals were caught unintentionally by fishing
Ocean_Conservancy
Book by Charles Clover
interests in the fishing industry have produced a culture where fish stocks are being exploited beyond their capacity to regenerate. Commercial fish may become
The_End_of_the_Line_(book)
World Bank characterises this crisis in the following way: Increasing population pressures, growing demand for fish and failures of governance are leading
PROFISH
Fishing regulation
privileges to participants and, in theory, an incentive for efficient, sustainable use of fish stocks. Actual outcomes in terms of efficiency and ecological
Catch_share
Tool used by fisheries
managers to regulate the size of fish that can legally be harvested from particular bodies of water. Usually set by state fish and game departments, the protected
Slot_limit
Aspect of the fishing industry
Lobsters are widely fished around the world for their meat. They are often hard to catch in large numbers, but their large size can make them a profitable
Lobster_fishing
Australian government agency
Australian Fisheries Management Authority Bray, Dianne. "Commercial Fishing". Fishes of Australia. Retrieved 30 September 2014. The Australian Fishing Zone Geoscience
Australian Fisheries Management Authority
Australian_Fisheries_Management_Authority
Sex-specific adaptations
characteristics, including characteristics not directly involved in reproduction. The condition occurs in most dioecious species, which consist of most animals and
Sexual_dimorphism
animated television series Beavis and Butt-Head. The series has its roots in 1992 when Mike Judge created two animated shorts, Frog Baseball and Peace
List of Beavis and Butt-Head episodes
List_of_Beavis_and_Butt-Head_episodes
Overview of fishing in Australia
species of fish imported to Australia, in terms of volume In the 1990s seafood consumption was 14.7 kg per capita in Perth and 15.1 kg in Sydney. In 2005,
Seafood_in_Australia
Used to study animals' behavior in the wild
satellite archival tags are used on marine mammals and various species of fish. There are two main systems, the above-mentioned Argos and the GPS. Thanks
Animal_migration_tracking
Form of electronic tracking of marine animals
change in pressure (depth) for a period of time, this could trigger an early release due to premature release (a tag pulling out of the fish early) or
Pop-up_satellite_archival_tag
Technique used in fisheries management and fisheries biology
isotopes in otoliths are compared to those in the water in which the fish inhabits in order to identify where it has been. In non-ostariophysian fishes, the
Otolith microchemical analysis
Otolith_microchemical_analysis
analyses on a variety of organisms, including coral reefs, large pelagic fish, marine mammals, sea turtles and invertebrates. A major output of the project
Future of Marine Animal Populations
Future_of_Marine_Animal_Populations
Use of acoustic sensors for aquatic life
characteristics. Biomass estimation is a method of detecting and quantifying fish and other marine organisms using sonar technology. An acoustic transducer
Fisheries_acoustics
Aquatic animals that are harvested commercially in the greatest amounts
Species listed here have an annual tonnage in excess of 160,000 tonnes. This table includes mainly food fish species, but also listed are crustaceans (crabs
List of commercially important fish species
List_of_commercially_important_fish_species
Fisheries for shrimp and prawns
(2008), p. 46. Hillestad et al. (1982) Cited in Gillett (2008), p. 50. Based on data sourced from the FishStat database Gillett (2008), p. 25. Gillett
Shrimp_fishery
Area that forbids the commercial fishing of sharks
after several years of life and produce very few offspring in comparison to other harvested fish. Harvesting sharks before they reproduce has severe impacts
Shark_sanctuary
transferable quotas Minimum or maximum fish sizes Bycatch Vessel movement controls Into areas Exiting areas Sightings in areas Onboard observers Licensing
Fisheries monitoring control and surveillance
Fisheries_monitoring_control_and_surveillance
Physical phenomenon relating to the direction of waves
magnitude of the wave vector depends on the refractive index of the medium, the said condition can in general only be fulfilled with different propagation
Refraction
Biological database about fish
dynamic and versatile ecological tool" that is widely cited in scholarly publications. FishBase provides comprehensive species data, including information
FishBase
US law for management of marine fisheries
amended frequently to adjust management policies and measures to changes in fish stock abundance and to meet the goals of the MSA as they are revised by
Magnuson–Stevens Fishery Conservation and Management Act
Magnuson–Stevens_Fishery_Conservation_and_Management_Act
Aspect of fishing
In fishing, incidental catch refers to the portion of the catch that was unintentionally caught but retained. It can be distinguished from discards, which
Incidental_catch
literary character representing a generic type in a conventional, simplified manner and recurring in many fictional works. The following list labels
List_of_stock_characters
Bounty (Refined Tin) Act 1980 1980 (No. 46) No [425] Bounty (Room Air Conditioners) Act 1983 1983 (No. 10) No [426] Bounty (Rotary Cultivators) Act 1979
List of acts of the Parliament of Australia
List_of_acts_of_the_Parliament_of_Australia
2013 Seafood Markets and Their Potential, Fish Info & Services, March 2013 Maintaining a Rich Seafood Market in Hong Kong, Hong Kong Business, March 2013
Adam_Soliman
(VPA) is a cohort modeling technique commonly used in fisheries science for reconstructing historical fish numbers at age using information on death of individuals
Virtual_population_analysis
10 year international marine biological program
workshops being the broadening of the initial concept from a "Census of the Fishes" into a comprehensive "Census of Marine Life". Results from these workshops
Census_of_Marine_Life
Population assessment technique in fisheries and wildlife
merits and drawbacks. Fish scales are easiest to obtain, but may be unreliable if scales have fallen off the fish and new ones grown in their places. Fin
Age_class_structure
Medical condition caused by receiving too little or too many nutrients
but not in all cases, in which may result in changes in consciousness or thinking, or even irreversible neurological damage. This condition can have
Malnutrition
Government policies on seafood supply
org/conservation/sustainable/ InSeason Fish A sustainable seafood guide for India Marine Conservation Society (MCS), Good Fish Guide (UK and Northeast Atlantic)
Sustainable seafood advisory lists and certification
Sustainable_seafood_advisory_lists_and_certification
Country in South America
birds known in the world, the sixth most diverse country in terms of bird species), 204 amphibians, 277 reptiles, and 635 fresh water fish. There are more
Bolivia
Armenian fairy tale
the very Golden Fish the prince spared once. Azerbaijani scholarship registers a similar tale in the Azerbaijani Tale Corpus, indexed as 507C, Xeyirxah
The_Golden-Headed_Fish
Country in West Africa
surveys in Burkina Faso since 1993, and had another in 2009. A Dengue fever outbreak in 2016 killed 20 patients. In the 2024 Global Hunger Index (GHI),
Burkina_Faso
American ecologist, biologist, and author
their natural condition in the absence of human activity. MMIs have been developed for a broad diversity of taxonomic groups including fish, insects, plants
James_Karr
Global climate phenomenon
fish populations, which in turn sustain abundant sea birds, whose droppings support the fertilizer industry. The reduction in upwelling leads to fish
El_Niño–Southern_Oscillation
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