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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Gastromyzon Cranbrooki

Gastromyzon cranbrooki Tan & Sulaiman, 2006
Max Length
7.6 cm
Max Weight
-
Lifespan
-
Trophic Level
2
Depth
0–1 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Gastromyzon Cranbrooki (Gastromyzon cranbrooki) 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 7.6 cm. It occurs at depths between 0 and 1 metres. With a trophic level of 2, it is a herbivore or detritivore. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Gastromyzon cranbrooki
Authority
Tan & Sulaiman, 2006
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
7.6 cm
Depth Range
0–1 m
Trophic Level
2
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 7; Anal soft rays: 4; Vertebrae: 31 - 32. Distinguished from its congeners in possessing the following unique combination of characters: distinct secondary rostrum; complete postoral pouch; body brown, with 9-10 grey bars, head dorsum dark brown, with thin grey reticulate pattern; absence of subopercular groove; gill slit vertical; sublacrymal groove; snout truncate when viewed dorsally; abdomen without scales; 56-60 scales in lateral line; pelvic fin not overlapping anal fin origin, adpressed dorsal fin falling short of level of anal fin origin .: elongated.

🌀 Behaviour

Behavioural data for Gastromyzon Cranbrooki is currently being reviewed.

🦐 Diet

algae
aquatic plants
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal; pH range: 6.6 - ?; depth range 0 - 1 m . Tropical known only from the Temburong River basin in Brunei Darussalam.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.00646 × L3.11 (TL)
Max TL
7.6cm
Dorsal Rays
7
Anal Rays
4
Vertebrae
32

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Tan & Sulaiman, 2006

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