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💧 Freshwater Data Deficient 🌡️ Tropical

Falcate chameleon catfish

Acrochordonichthys gyrinus Vidthayanon & Ng, 2003
Max Length
10 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Falcate chameleon catfish (Acrochordonichthys gyrinus), first described by Vidthayanon & Ng, 2003 is a small fish in the family Akysidae (order Siluriformes). Adults typically reach 10.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Acrochordonichthys gyrinus
Authority
Vidthayanon & Ng, 2003
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
10 cm
Trophic Level
3.7
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

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 . Caudal fin emarginate .: elongated.

🌀 Behaviour

Behavioural data for Falcate chameleon catfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical known only from the type locality, the Yom River at Phitsanulok, part of the upper Chao Phraya basin in Thailand.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.7±0.6
Food Items

crustaceans and benthic organisms (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
10cm
Dorsal Spines
2
Dorsal Rays
5
Anal Rays
10
Vertebrae
39

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2010

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.7
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Vidthayanon & Ng, 2003

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