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💧 Freshwater Near Threatened 🐠 Aquarium 🌡️ Tropical

Gastromyzon Auronigrus

Gastromyzon auronigrus Tan, 2006
Max Length
5.5 cm
Max Weight
-
Lifespan
-
Trophic Level
2.2
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Gastromyzon Auronigrus (Gastromyzon auronigrus) is a ray-finned fish of the family Balitoridae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 5.5 cm. With a trophic level of 2.2, it is an omnivore, consuming both plant and animal matter. It is assessed as Near Threatened on the IUCN Red List.

Scientific Name
Gastromyzon auronigrus
Authority
Tan, 2006
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
NT
Max Length
5.5 cm
Trophic Level
2.2
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 7; Anal soft rays: 4; Vertebrae: 30. Can be distinguished from its congeners by possessing the following unique combination of characters: body black, dorsum with 7 thin gold bars, side with gold bars complete or interrupted to form black blotches; head dorsum black with fine gold reticulate pattern when alive, when preserved the gold turns cream; absence of secondary rostrum; absence of a postoral pouch; gill slit vertical, subopercular groove absent; a rounded snout when viewed dorsally; presence of sublacrymal groove; abdomen without scales; lateral line with 64 scales; pelvic fin not overlapping anal fin origin, adpressed dorsal fin not overlapping level of anal fin origin .: elongated.

🌀 Behaviour

Behavioural data for Gastromyzon Auronigrus is currently being reviewed.

🦐 Diet

algae
aquatic plants
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.2±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.00646 × L3.11 (TL)
Max TL
5.5cm
Dorsal Rays
7
Anal Rays
4
Vertebrae
30

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.2
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Tan, 2006

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