Glyptothorax Decussatus
📖 Overview
Glyptothorax Decussatus (Glyptothorax decussatus) is a ray-finned fish of the family Sisoridae. It inhabits freshwater waters. This species can reach a maximum total length of 7.8 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.
🔬 Taxonomy
🐟 Physical Description
This species is distinguished from its congeners in Sundaland except for G. amnestus, G. major, G. plectilis in having (vs. lacking) anteromedial striae on the thoracic adhesive apparatus; differs from G. amnestus in having (vs. lacking) a dark vertical bar at the base of the caudal fin in the shape of an irregular cross; differs from G. major in having a deeper caudal peduncle, 10.3-10.9% SL (vs. 7.7-10.1) and with a faint, pale band around the caudal peduncle (vs. absent); differs from G. plectilis in having non-prominent tubercles of uniform size (vs. with prominent, enlarged tubercles) along the flanks. It is further distinguished from Sundaic congeners by the following unique characters: premaxillary tooth band approximately half exposed when mouth is closed; eye diameter 8-9% HL; head length 27.2-30.2% SL and width 19.9-22.3% SL; predorsal length 35.8-40.0% SL; dorsal-fin spine length 16.0-17.3% SL; margin of dorsal fin concave; dorsal-to-adipose distance 18.6-21.2% SL; body depth at anus 17.8-19.7% SL; straight dorsoposterior margin of the adipose fin; post-adipose distance 16.2-17.5% SL; caudal peduncle depth is 2.0 times in body depth at dorsal-fin origin; no dark vertical bars at adipose-fin base and caudal-fin base and prominent pale midlateral stripe on the body .Cross section: oval.
🌀 Behaviour
Behavioural data for Glyptothorax Decussatus is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic. Tropical
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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