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> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Aphaniidae (Oriental killifishes)
Etymology: Kosswigichthys: Because of Curt Kosswig, Berlin, 1903-1982; he studied the cave fishes and wrote when in exile in Turkey about the "regressive evolution"/ Hamburg University.
Eponymy: Dr Curt Kosswig (1903–1982) was a German zoologist and geneticist whose doctorate in genetics was awarded by the University of Berlin (1927). [...] (Ref. 128868), visit book page.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser benthopelagisch; standorttreu. Temperate; 10°C - 25°C (Ref. 2060); 38°N - 37°N

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Asia: Turkey (endemic to Lake Hazar).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 4.0 cm TL Männchen/unbestimmt; (Ref. 27139)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

This species with three rows of conical teeth; a slightly upturned lower jaw; male without black or dark-brown bars in the caudal fin; no head canals; presence of a dermal sheath at the anal-fin base in the nuptial female; body naked (Ref. 126233).

Not a seasonal killifish. Is very difficult to maintain in the aquarium (Ref. 27139).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Freyhof, J. and B. Yoğurtçuoğlu, 2020. A proposal for a new generic structure of the killifish family Aphaniidae, with the description of Aphaniops teimorii (Teleostei: Cyprinodontiformes). Zootaxa 4810(3):421-451. (Ref. 126233)

IUCN Rote Liste Status (Ref. 130435: Version 2024-2)

nicht bedroht (LC) ; Date assessed: 11 March 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: nicht kommerziell; Aquarium: Kommerziell

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00832 (0.00506 - 0.01366), b=3.31 (3.17 - 3.45), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 3.0 ±0.4 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Kosswigichthys asquamatus Sözer, 1942