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💧 Freshwater Least Concern 🌡️ Tropical

Glyptothorax Pictus

Glyptothorax pictus Ng & Kottelat, 2016
Max Length
7.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
33.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Glyptothorax Pictus (Glyptothorax pictus), first described by Ng & Kottelat, 2016 is a small fish in the family Sisoridae (order Siluriformes). Adults typically reach 7.60 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Glyptothorax pictus
Authority
Ng & Kottelat, 2016
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
7.6 cm
Trophic Level
3.2
Resilience
Medium
Vulnerability
33.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

This species can be distinguished from all Sundaic congeners (except for G. decussatus) in having brown or brownish gray body with prominent dark vertical bars at the level of the adipose-fin base and the base of the caudal fin (vs. without distinct vertical markings on body). It differs from G. decussatus in lacking (vs. having) anteromedial striae in the thoracic adhesive apparatus and the pelvic fins not reaching (vs. reaching) the base of the first anal-fin ray when adpressed. G. pictus further distinguishes from Sundaic congeners by the following unique set of characters: absence of anteromedial striae in thoracic adhesive apparatus; pectoral-fin spine length 17.3-22.9% SL; dorsal-fin spine length 15.4-20.9% SL; margin of dorsal fin concave; straight dorsoposterior margin of adipose fin; caudal peduncle depth 8.4-10.9% SL; absence of prominent dark longitudinal stripes running through each lobe in caudal fin; and absence of prominent pale midlateral stripe on body .Cross section: oval.

🌀 Behaviour

Behavioural data for Glyptothorax Pictus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L3.01 (TL)
Max TL
7.6cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Ng & Kottelat, 2016

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