Scientific Name
Acrochordonichthys gyrinus

Common Name
Falcate chameleon catfish

Biology
Dorsal spines (total): 2; Dorsal soft rays (total): 4-5; Anal spines: 0; Anal soft rays: 10; Vertebrae: 39. Concave posterior margin of the pectoral fin; head depth 9.8-11.4% SL; dorsal to adipose distance 7.4-8.6% SL; body depth at anus 8.3-10.5% SL; maximum width of humeral process 16.3% its length; and anterior margin of anal fin and posterior margin of adipose fin straight (Ref. 50585). Caudal fin emarginate (Ref. 50585).

Classification

Classified By

Vidthayanon & Ng, 2003

Class

Ray-finned fishes (Actinopterygii)

Order

Catfish (Siluriformes)

Family

Stream catfishes (Akysidae)

Distribution

Region

Asia

Distribution

Asia: known only from the type locality, the Yom River at Phitsanulok, part of the upper Chao Phraya basin in Thailand.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; demersal

Trophic Level

3.82 s.e. 0.63 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

10.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5010 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (10 of 100)

Resilience

Unknown

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated