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💧 Freshwater 🌡️ Tropical

Glyptothorax Porrectus

Glyptothorax porrectus Ng & Kottelat, 2017
Max Length
11.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
39.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Glyptothorax Porrectus (Glyptothorax porrectus), first described by Ng & Kottelat, 2017 is a small fish in the family Sisoridae (order Siluriformes). Adults typically reach 11.90 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.

Scientific Name
Glyptothorax porrectus
Authority
Ng & Kottelat, 2017
Habitat
Freshwater
Climate
Tropical
Max Length
11.9 cm
Trophic Level
3.2
Resilience
Medium
Vulnerability
39.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

This species is distinguished from its Indochinese congeners except for coracinus, forabilis, interspinalum, lanceatus, laosensis, longinema, strabonis, trilineatus, zanaensis in having a uniformly dark gray body with pale midlateral and mid-dorsal stripes (vs. body with pale or dark bands, patches or spots); differs coracinus, forabilis, interspinalum, lanceatus, laosensis, longinema, strabonis, trilineatus, zanaensis in having the following unique set of characters: eye diameter 8-10% HL; interorbital distance 23-31% HL; head depth 10.6-11.6% SL; thoracic adhesive apparatus with medial pit and no anteromedial striae; body depth at anus 8.7-12.4% SL; post-adipose distance 18.6-24.6% SL; caudal peduncle depth 5.8-6.7% SL; caudal peduncle length 21.7-25.8% SL; with very thin pale midlateral stripe only as wide as a single tubercle .Cross section: oval.

🌀 Behaviour

Behavioural data for Glyptothorax Porrectus 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

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L3.01 (TL)
Max TL
11.9cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
39.00/100
Moderate vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Ng & Kottelat, 2017

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