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Teleostei (teleosts) > Siluriformes (Catfishes) > Akysidae (Stream catfishes) > Akysinae
Etymology: Akysis: Derived from Greek, a = without + Greek, kysthos = bladder (Ref. 45335); ephippifer: The specific name is derived from the Latin ephippium (saddle) and ferre (to bear), referring to the saddle-shaped markings on the body..
More on authors: Ng & Kottelat.

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

Freshwater; demersal. Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Mekong basin.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 3.4 cm SL male/unsexed; (Ref. 52824)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 5 - 6; Anal soft rays: 9 - 11; Vertebrae: 33. Distinguished from all its congeners by the following combination of characters: round head when viewed dorsally; presence of 1+3 gill rakers on the first branchial arch and 4-5 serrae on the posterior edge of the pectoral spine; depth of caudal peduncle 7.3-14.1 % SL; length of maxillary barbel 61-121% HL; length of inner mandibular barbel 33-74% HL; and caudal fin emarginate (Ref. 30226).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Ng, H.H. and M. Kottelat, 1998. The catfish genus Akysis Bleeker (Teleostei: Akysidae) in Indochina, with descriptions of six new species. J. Nat. Hist. 32:1057-1097. (Ref. 30226)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 17 December 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
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Ecology
Ecology

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Life cycle
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Egg(s)
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Distribution
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Anatomy
Gill areas
Brains
Otoliths

Physiology
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Swimming type
Swimming speeds
Visual pigment(s)
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Diseases / Parasites
Toxicities (LC50s)

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Genetics
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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=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.4 ±0.6 se; based on size and trophs of closest relatives

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

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Akysis ephippifer Ng & Kottelat, 1998