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💧 Freshwater 🌡️ Tropical

Glyptothorax Rhadinus

Glyptothorax rhadinus Ng & Kottelat, 2025
Max Length
5.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Glyptothorax Rhadinus (Glyptothorax rhadinus), first described by Ng & Kottelat, 2025 is a small fish in the family Sisoridae (order Siluriformes). Adults typically reach 5.40 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 rhadinus
Authority
Ng & Kottelat, 2025
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
5.4 cm
Trophic Level
3.1
Resilience
High
Vulnerability
27.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 5 - 6; Anal soft rays: 8 - 9. This species is distinguished from its congeners by the following set of characters: thoracic adhesive apparatus width 1.9-2.2 times in its length, three dark bands on body that are sometimes connected by a dark midlateral stripe to form an elongate pale ovoid patch on the dorsolateral surface of the body; lack of a distinctly pale nuchal shield; thoracic adhesive apparatus without anteromedial striae; medial pit; striae in medial third of TAA slightly divergent from longitudinal axis and anastomosing; caudal peduncle depth 2.5-2.7 times in body depth at dorsal-fin origin; dorsal to adipose distance 15.5-20.0% SL; tip of adpressed pelvic fin just reaching anal-fin origin; and the lack of enlarged, prominent tubercles on the flanks, particularly below the lateral line .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Glyptothorax Rhadinus 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
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00794 × L3.01 (TL)
Max TL
5.4cm
Dorsal Spines
1
Dorsal Rays
6
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Ng & Kottelat, 2025

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