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German zoologist, ichthyologist and herpetologist
Christoph Gustav Ernst Ahl (1 September 1898 – 14 February 1945) was a German zoologist, born in Berlin. He was the director of the department of ichthyology
Ernst_Ahl
Surname list
Ahl is a surname. Notable people with the surname include: David H. Ahl (born 1939), American writer Ernst Ahl (1898–1945), German zoologist Frederick
Ahl_(surname)
Species of fish
Binomial name Laetacara curviceps (C. G. E. Ahl, 1923) Synonyms Acara curviceps Ahl, 1923 Aequidens curviceps (Ahl, 1923) Parvacara curviceps (Ahl, 1923)
Laetacara_curviceps
Species of amphibian
Tanzania. It lives near inland fresh water bodies. "Phrynobatrachus albifer (Ahl, 1924) | Amphibian Species of the World". research.amnh.org. Retrieved 2019-02-13
Phrynobatrachus_albifer
Species of frog
elberti was described as Hylarthroleptis elberti by German zoologist Ernst Ahl in 1925 based on seventeen syntypes. It was transferred to Phrynobatrachus
Phrynobatrachus_elberti
Species of amphibian
synonymized with the former. Both were described in the same work by Ernst Ahl in 1931, H. multifasciatus on page 278 and H. kivuensis on page 280. Thus
Hyperolius_kivuensis
Species of fish
first formally described in 1923 by the German zoologist Christoph Gustav Ernst Ahl (1898-1945) with the type locality given as Manado on Sulawesi in Indonesia
Chaetodon_guentheri
Species of fish
Roxborough) Norman (1898–1944), of the British Museum, who sent specimens to Ahl for "determination" of the species. The Norman's lampeye is named for its
Poropanchax_normani
Species of amphibian
Retrieved 16 November 2021. Frost, Darrel R. (2022). "Hyperolius obstetricans (Ahl, 1931)". Amphibian Species of the World: An Online Reference. Version 6.1
Hyperolius_obstetricans
Species of fish
Teleostei Order: Cypriniformes Family: Danionidae Subfamily: Rasborinae Genus: Rasbora Species: R. gerlachi Binomial name Rasbora gerlachi C. G. E. Ahl, 1928
Rasbora_gerlachi
Species of fish
Teleostei Order: Cypriniformes Family: Danionidae Subfamily: Rasborinae Genus: Rasbora Species: R. tobana Binomial name Rasbora tobana C. G. E. Ahl, 1934
Rasbora_tobana
Species of fish
Binomial name Dimidiochromis kiwinge (Ahl, 1926) Synonyms Haplochromis kiwinge Ahl, 1926 Cyrtocara kiwinge (Ahl, 1926) Haplochromis fuelleborni Ahl, 1926
Dimidiochromis_kiwinge
Species of frog
Chordata Class: Amphibia Order: Anura Family: Mantellidae Genus: Mantidactylus Species: M. brevipalmatus Binomial name Mantidactylus brevipalmatus Ahl, 1929
Mantidactylus_brevipalmatus
Species of amphibian
Democratic Republic of the Congo. Common names of this species include Ahl's reed frog, brown reed frog, and montane reed frog. The status of the putative
Hyperolius_castaneus
Extinct species of tortoise
municipality of Adeje. This species of giant tortoise was described in 1926 by Ernst Ahl, the first time a giant tortoise endemic to the Canary Islands described
Centrochelys_burchardi
Species of fish
The goldstripe rasbora (Rasbora chrysotaenia) is a species of ray-finned fish in the genus Rasbora. It is a benthopelagic freshwater fish found in Malaysia
Goldstripe_rasbora
Species of fish
first formally described from Mauritius in 1923 by the German zoologist Ernst Ahl (1898–1945) as the subspecies interruptus of the Indo-Pacific teardrop
Yellow_teardrop_butterflyfish
Extinct species of amphibian
malcolmsmithi Binomial name †Pseudophilautus malcolmsmithi (Ahl, 1927) Synonyms Rhacophorus malcolmsmithi Ahl, 1927 Philautus malcolmsmithi (Ahl, 1927)
Pseudophilautus_malcolmsmithi
Species of fish
Chaetodon paucifasciatus C. G. E. Ahl, 1923 Synonyms Chaetodon chrysurus paucifasciatus Ahl, 1923 Exornator rhombochaetodon paucifasciatus (Ahl, 1923)
Eritrean_butterflyfish
Species of lizard
"crocodile-tail". Two subspecies are recognized: Shinisaurus crocodilurus crocodilurus Ahl, 1930 (southeast China) Shinisaurus crocodilurus vietnamensis Schingen et
Chinese_crocodile_lizard
Species of fish
Tyrannochromis maculiceps (C. G. E. Ahl, 1926) Synonyms Haplochromis maculiceps Ahl, 1926 Cyrtocara maculiceps (Ahl, 1927) Haplochromis macrostoma (Regan
Tyrannochromis_maculiceps
Genus of fishes
Labeotropheus chlorosiglos Pauers, 2016 Labeotropheus fuelleborni C. G. E. Ahl, 1926 Labeotropheus obscurus Pauers & Phiri, 2023 Labeotropheus rubidorsalis
Labeotropheus
Species of fish
described as Hemigrammus rhodostomus in 1924 by the German zoologist Ernst Ahl, with its type locality given as the Rio Tapajoz, near Santarem in Pará
Rummy-nose_tetra
Extinct species of amphibian
Retrieved 16 November 2021. Frost, Darrel R. (2017). "Pseudophilautus zimmeri (Ahl, 1927)". Amphibian Species of the World: an Online Reference. Version 6.0
Pseudophilautus_zimmeri
Species of frog
Amphibia Order: Anura Family: Phrynobatrachidae Genus: Phrynobatrachus Species: P. brevipalmatus Binomial name Phrynobatrachus brevipalmatus (Ahl, 1925)
Phrynobatrachus_brevipalmatus
Species of frog
Chordata Class: Amphibia Order: Anura Family: Hyperoliidae Genus: Heterixalus Species: H. variabilis Binomial name Heterixalus variabilis (Ahl, 1930)
Heterixalus_variabilis
Species of fish
maculiceps was first formally described in 1923 by the German zoologist Ernst Ahl with its type locality given as Talasea, a village on the Island of New
Acanthurus_maculiceps
Species of fish
arnoldi was first formally described in 1936 by the German zoologist Ernst Ahl, with its type locality given as the Amazon River. The genus Myloplus
Myloplus_arnoldi
Species of lizard
Guinea), Indonesia". Human Ecology 40: 611–621.doi:10.1007/s10745-012-9492-5 Ahl E (1932). "Eine neue Eidechse und zwei neue Frösche von der Insel Jobi "
Peach-throated_monitor
Species of fish
Austrolebias adloffi was described as Cynolebias adloffi in 1922 by Ernst Ahl. The specific name honours the German-born Brazilian artist Alfred Adloff
Austrolebias_adloffi
Extinct species of amphibian
Pseudophilautus Species: †P. rugatus Binomial name †Pseudophilautus rugatus (Ahl, 1927) Synonyms Rhacophorus rugatus Ahl, 1927 Philautus rugatus (Ahl, 1927)
Pseudophilautus_rugatus
Species of fish
species can also be found in the aquarium trade. It was described by Ernst Ahl in 1929, but was first recognized as a distinct species by Georg Duncker
Bigspot_barb
Species of fish
thienemanni Binomial name Neolissochilus thienemanni (C. G. E. Ahl, 1933) Synonyms Lissochilus thienemanni Ahl, 1933 Neolissochilus theinemanni (Ahl, 1933)
Neolissochilus_thienemanni
Genus of amphibians
2013-2.RLTS.T58004A18373903.en. Retrieved 17 November 2021. "Spelaeophryne Ahl, 1924 | Amphibian Species of the World". research.amnh.org. Retrieved 2019-11-04
Spelaeophryne
Species of fish
prefer soft water conditions. Nothobranchius rachovii was described by Ernst Ahl in 1926 with the type locality given as Beira, Mozambique. The genus name
Nothobranchius_rachovii
Species of lizard
yellow, and red. Pogona vitticeps was first described by German zoologist Ernst Ahl in 1926, who placed it in the genus Amphibolurus. Mature bearded dragons
Central_bearded_dragon
Species of fish
reaches up to 5 cm (2.0 in) in total length. This fish was described by Ernst Ahl as Haplochilichthys stuhlmanni with the type locality given as Tanganyika
Eastcoast_lampeye
Species of frog
Retrieved 12 November 2021. Frost, Darrel R. (2014). "Boophis rappiodes (Ahl, 1928)". Amphibian Species of the World: an Online Reference. Version 6.0
Boophis_rappiodes
Species of frog
Retrieved 16 November 2021. Frost, Darrel R. (2019). "Hyperolius acuticephalus Ahl, 1931". Amphibian Species of the World: an Online Reference. Version 6.0
Hyperolius_acuticephalus
Species of frog
Anura Family: Hyperoliidae Genus: Kassina Species: K. maculifer Binomial name Kassina maculifer (Ahl, 1924) Synonyms Kassina parkeri Scortecci, 1932
Kassina_maculifer
Species of amphibian
coined for this species. Phrynobatrachus congicus was described in 1925 by Ernst Ahl as Hylarthroleptis congicus. The taxonomic status of this species is unclear
Phrynobatrachus_congicus
Species of frog
Phylum: Chordata Class: Amphibia Order: Anura Family: Hylidae Genus: Dendropsophus Species: D. minimus Binomial name Dendropsophus minimus (Ahl, 1933)
Dendropsophus_minimus
Species of frog
Animalia Phylum: Chordata Class: Amphibia Order: Anura Family: Hyperoliidae Genus: Hyperolius Species: H. pictus Binomial name Hyperolius pictus Ahl, 1931
Hyperolius_pictus
Species of fish
Ivantsoff & Kottelat, 1998 Species: M. ladigesi Binomial name Marosatherina ladigesi (C. G. E. Ahl, 1936) Synonyms Telmatherina ladigesi C. G. E. Ahl, 1936
Celebes_rainbowfish
Species of frog
Class: Amphibia Order: Anura Family: Hyperoliidae Genus: Hyperolius Species: H. quadratomaculatus Binomial name Hyperolius quadratomaculatus Ahl, 1931
Hyperolius_quadratomaculatus
Species of frog
described in greater detail than the original description by an author, Ahl (1929), who had never seen the collection. Later, Schiøtz (1975) added some
Leptopelis_grandiceps
Species of frog
Retrieved 17 November 2021. Frost, Darrel R. (2018). "Phrynobatrachus versicolor Ahl, 1924". Amphibian Species of the World: an Online Reference. Version 6.0
Phrynobatrachus_versicolor
Genus of fishes
Plataplochilus mimus J. G. Lambert, 1967 Plataplochilus ngaensis (C. G. E. Ahl, 1924) (Nga lampeye) Plataplochilus terveri (Huber, 1981) (Terver's lampeye)
Plataplochilus
Species of fish
Teleostei Order: Cypriniformes Family: Danionidae Subfamily: Esominae Genus: Esomus Species: E. metallicus Binomial name Esomus metallicus Ahl, 1923
Esomus_metallicus
Species of frog
Chordata Class: Amphibia Order: Anura Family: Dicroglossidae Genus: Limnonectes Species: L. heinrichi Binomial name Limnonectes heinrichi (Ahl, 1933)
Limnonectes_heinrichi
Species of amphibian
Rhacophoridae Genus: Leptomantis Species: L. angulirostris Binomial name Leptomantis angulirostris (Ahl, 1927) Synonyms Rhacophorus angulirostris Ahl, 1927
Leptomantis_angulirostris
Species of amphibian
Family: Mantellidae Genus: Gephyromantis Subgenus: Gephyromantis (Duboimantis) Species: G. sculpturatus Binomial name Gephyromantis sculpturatus Ahl, 1929
Gephyromantis_sculpturatus
Purported species of frog
Class: Amphibia Order: Anura Family: Hyperoliidae Genus: Hyperolius Species: H. thoracotuberculatus Binomial name Hyperolius thoracotuberculatus Ahl, 1931
Hyperolius thoracotuberculatus
Hyperolius_thoracotuberculatus
Species of frog
this species. Phrynobatrachus nanus was described by German zoologist Ernst Ahl in 1925 as Pararthroleptis nanus based a single specimen, the holotype
Phrynobatrachus_nanus
Species of fish
intermittent freshwater marshes. This species was described in 1935 by Ernst Ahl from types collected in northwestern Tanzania. Nagy, B.; Watters, B. (2019)
Nothobranchius_robustus
Species of amphibian
common name of this species refers to its describer, German zoologist Ernst Ahl. The formerly recognized Phrynobatrachus vogti, or Vogt's river frog,
Phrynobatrachus_latifrons
Species of amphibian
RLTS.T45488934A271552992.en. Frost, Darrel (2024). "Hypogeophis larvatus (Ahl, 1934)". Amphibian Species of the World 6.2. American Museum of Natural History
Hypogeophis_larvatus
Species of frog
Animalia Phylum: Chordata Class: Amphibia Order: Anura Family: Hyperoliidae Genus: Hyperolius Species: H. bicolor Binomial name Hyperolius bicolor Ahl, 1931
Hyperolius_bicolor
Species of amphibian
Retrieved 15 November 2021. Frost, Darrel R. (2019). "Hyperolius houyi Ahl, 1931". Amphibian Species of the World: an Online Reference. Version 6.0
Hyperolius_houyi
Species of amphibian
Species: S. togoensis Binomial name Sclerophrys togoensis Ahl, 1924 Synonyms Bufo togoensis Ahl, 1924 Bufo cristiglans Inger and Menzies, 1961 Amietophrynus
Sclerophrys_togoensis
Species of frog
"dwarfish". Phrynobatrachus pygmaeus was described by German zoologist Ernst Ahl in 1925 based a single specimen, the holotype. Phrynobatrachus pygmaeus
Phrynobatrachus_pygmaeus
Species of frog
Genus: Pseudophilautus Species: P. fergusonianus Binomial name Pseudophilautus fergusonianus (Ahl, 1927) Synonyms Philautus fergusonianus (Ahl, 1927)
Pseudophilautus_fergusonianus
Species of fish
Binomial name Barbonymus mahakkamensis (C. G. E. Ahl, 1922) Synonyms Barbus mahakkamensis C. G. E. Ahl, 1922 Barbodes mahakkamensis (C. G. E. Ahl, 1922)
Barbonymus_mahakkamensis
Species of frog
en. Retrieved 2 December 2025. Frost, Darrel R. "Leptodactylus plaumanni Ahl, 1936". Amphibian Species of the World, an Online Reference. Version 6.0
Leptodactylus_plaumanni
Species of amphibian
proposed R. bimaculatus as a new name for Anderson's frogs. But in 1927, Ernst Ahl realized the frog described by Wilhelm Peters as Leptomantis bimaculata
Rhacophorus_bipunctatus
Species of fish
Family: Serrasalmidae Genus: Metynnis Species: M. argenteus Binomial name Metynnis argenteus C. G. E. Ahl, 1923 Synonyms Metynnis eigenmanni Ahl, 1924
Metynnis_argenteus
Species of amphibian
15 November 2021. Frost, Darrel R. (2014). "Ptychohyla leonhardschultzei (Ahl, 1934)". Amphibian Species of the World: an Online Reference. Version 6.0
Schultze's_stream_frog
Species of frog
Retrieved 15 November 2021. Frost, Darrel R. (2024). "Guibemantis tornieri (Ahl, 1928)". Amphibian Species of the World: an Online Reference. Version 6.2
Guibemantis_tornieri
Species of amphibian
Animalia Phylum: Chordata Class: Amphibia Order: Anura Family: Hyperoliidae Genus: Hyperolius Species: H. gularis Binomial name Hyperolius gularis Ahl, 1931
Hyperolius_gularis
Species of snake
Reptilia Order: Squamata Suborder: Serpentes Family: Colubridae Genus: Telescopus Species: T. nigriceps Binomial name Telescopus nigriceps (Ahl, 1924)
Telescopus_nigriceps
Species of frog
Phylum: Chordata Class: Amphibia Order: Anura Family: Hyperoliidae Genus: Hyperolius Species: H. tornieri Binomial name Hyperolius tornieri Ahl, 1931
Hyperolius_tornieri
Species of frog
Phylum: Chordata Class: Amphibia Order: Anura Family: Arthroleptidae Genus: Arthroleptis Species: A. affinis Binomial name Arthroleptis affinis Ahl, 1939
Arthroleptis_affinis
Species of lizard
Chordata Class: Reptilia Order: Squamata Suborder: Iguania Family: Anolidae Genus: Anolis Species: A. wellbornae Binomial name Anolis wellbornae Ahl, 1940
Anolis_wellbornae
Species of amphibian
Retrieved 16 November 2021. Frost, Darrel R. (2018). "Leptopelis kivuensis Ahl, 1929". Amphibian Species of the World: an Online Reference. Version 6.0
Leptopelis_kivuensis
Species of fish
Actinopterygii Division: Teleostei Order: Cichliformes Family: Cichlidae Genus: Lethrinops Species: L. marginatus Binomial name Lethrinops marginatus Ahl, 1926
Lethrinops_marginatus
Species of frog
Phylum: Chordata Class: Amphibia Order: Anura Family: Hyperoliidae Genus: Hyperolius Species: H. laticeps Binomial name Hyperolius laticeps Ahl, 1931
Hyperolius_laticeps
Species of frog
Anura Family: Ptychadenidae Genus: Ptychadena Species: P. neumanni Binomial name Ptychadena neumanni (Ahl, 1924) Synonyms Ptychadena largeni Perret, 1994
Ptychadena_neumanni
Species of fish
Binomial name Barbodes dorsimaculatus (C. G. E. Ahl, 1923) Synonyms Barbus dorsimaculatus C. G. E. Ahl, 1923 Puntius dorsimaculatus (C. G. E. Ahl, 1923)
Barbodes_dorsimaculatus
Species of frog
Phylum: Chordata Class: Amphibia Order: Anura Family: Arthroleptidae Genus: Arthroleptis Species: A. brevipes Binomial name Arthroleptis brevipes Ahl, 1924
Arthroleptis_brevipes
Species of fish
Procatopodidae Genus: Lacustricola Species: L. kongoranensis Binomial name Lacustricola kongoranensis (C. G. E. Ahl, 1924) Synonyms Aplocheilichthys kongoranensis
Kongoro_lampeye
Species of frog
Animalia Phylum: Chordata Class: Amphibia Order: Anura Family: Hyperoliidae Genus: Hyperolius Species: H. raveni Binomial name Hyperolius raveni Ahl, 1931
Hyperolius_raveni
Species of amphibian
RLTS.T58983A11854267.en. Frost, Darrel R. (2022). "Rhacophorus calcadensis Ahl, 1927". Amphibian Species of the World: An Online Reference. Version 6.1
Rhacophorus_calcadensis
Species of fish
Teleostei Order: Cypriniformes Family: Danionidae Subfamily: Esominae Genus: Esomus Species: E. caudiocellatus Binomial name Esomus caudiocellatus Ahl, 1923
Esomus_caudiocellatus
Species of frog
Chordata Class: Amphibia Order: Anura Family: Hyperoliidae Genus: Hyperolius Species: H. stenodactylus Binomial name Hyperolius stenodactylus Ahl, 1931
Hyperolius_stenodactylus
Species of frog
Phylum: Chordata Class: Amphibia Order: Anura Family: Hyperoliidae Genus: Hyperolius Species: H. ademetzi Binomial name Hyperolius ademetzi Ahl, 1931
Hyperolius_ademetzi
Species of lizard
xiii + 296 pp. ISBN 978-1-4214-0135-5. (Sphenomorphus zimmeri, p. 294). Ahl E (1933). "Ergebnisse der Celebes und Halmahera Expedition Heinrich 1930–32
Sphenomorphus_zimmeri
Species of frog
Shu-szi [zh] (Chinese: 辛树帜; pinyin: Xīn Shùzhì). The German zoologist Ernst Ahl, who named the species, also named the lizard Shinisaurus after professor
Quasipaa_shini
Species of fish
Division: Teleostei Order: Cichliformes Family: Cichlidae Genus: Rhamphochromis Species: R. lucius Binomial name Rhamphochromis lucius C. G. E. Ahl, 1926
Rhamphochromis_lucius
Species of frog
Chordata Class: Amphibia Order: Anura Family: Hyperoliidae Genus: Hyperolius Species: H. albofrenatus Binomial name Hyperolius albofrenatus Ahl, 1931
Hyperolius_albofrenatus
Species of amphibian
Retrieved 17 November 2021. Frost, Darrel R. (2021). "Poyntonophrynus hoeschi (Ahl, 1934)". Amphibian Species of the World: An Online Reference. Version 6.1
Poyntonophrynus_hoeschi
Species of fish
zoologist Ernst Ahl (1898-1945) with the type locality given as Mauritius. The specific name is sometimes spelt madagascarensis but Ahl's original should
Seychelles_butterflyfish
Species of lizard
Family: Agamidae Genus: Dendragama Species: D. schneideri Binomial name Dendragama schneideri (Ahl, 1926) Synonyms Acanthosaura schneideri Ahl, 1926
Dendragama_schneideri
Species of frog
Phylum: Chordata Class: Amphibia Order: Anura Family: Ptychadenidae Genus: Ptychadena Species: P. erlangeri Binomial name Ptychadena erlangeri (Ahl, 1924)
Ptychadena_erlangeri
Species of frog
Retrieved 15 November 2021. Frost, Darrel R. (2017). "Afrixalus laevis (Ahl, 1930)". Amphibian Species of the World: an Online Reference. Version 6.0
Afrixalus_laevis
Species of amphibian
"One or two species? On the case of Hyperolius discodactylus Ahl, 1931 and H. alticola Ahl, 1931 (Anura: Hyperoliidae)". Zootaxa. 3768 (3): 253–290. doi:10
Hyperolius_discodactylus
Species of fish
dolosus Binomial name Chaetodon dolosus C. G. E. Ahl, 1923 Synonyms Heterochaetodon heterochaetodon dolosus (Ahl, 1923) Chaetodon mendoncae J. L. B. Smith,
Chaetodon_dolosus
Species of fish
name Oreochromis chungruruensis (C. G. E. Ahl, 1924) Synonyms Tilapia chungruruensis C. G. E. Ahl, 1924 Sarotherodon chungruruensis (C. G. E. Ahl, 1924)
Oreochromis_chungruruensis
Species of fish
Cypriniformes Family: Danionidae Subfamily: Rasborinae Genus: Rasbora Species: R. paucisqualis Binomial name Rasbora paucisqualis C. G. E. Ahl, 1935
Largescaled_rasbora
Species of fish
around 1 cm. The specific name of this fish honours the German zoologist Ernst Ahl (1898-1945) who originally described this species in 1926 as Haplochromis
Electric_blue_hap
Species of lizard
formerly considered to be a subspecies of Ctenophorus decresii. "Ctenophorus modestus (Ahl, 1926)". The Reptile Database. Retrieved 28 April 2019. v t e
Ctenophorus_modestus
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