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💧 Freshwater Data Deficient 🐠 Aquarium 🌡️ Tropical

Onychostoma Elongatum

Onychostoma elongatum Pellegrin & Chevey, 1934
Max Length
11.5 cm
Max Weight
-
Lifespan
-
Trophic Level
2.8
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
22.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Onychostoma Elongatum (Onychostoma elongatum), first described by Pellegrin & Chevey, 1934 is a small fish in the family Cyprinidae (order Cypriniformes). Adults typically reach 11.50 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 Data Deficient.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Cyprinidae kept in the hobby.

Scientific Name
Onychostoma elongatum
Authority
Pellegrin & Chevey, 1934
Habitat
Freshwater
Climate
Tropical
IUCN Status
DD
Max Length
11.5 cm
Trophic Level
2.8
Resilience
High
Vulnerability
22.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Horny sheath of lower jaw without a sharp, cutting edge; body slender, depth 4.5-4.8 times in SL; two pairs of barbels present (maxillary barbels very small); last simple dorsal ray slender and not serrated posteriorly .

🌀 Behaviour

Behavioural data for Onychostoma Elongatum 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
2.8±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00676 × L3.11 (TL)
Max TL
11.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
22.00/100
Low vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Pellegrin & Chevey, 1934

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