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💧 Freshwater Data Deficient 🐠 Aquarium 🌡️ Tropical

Crossocheilus Obscurus

Crossocheilus obscurus Tan & Kottelat, 2009
Max Length
13.9 cm
Max Weight
-
Lifespan
-
Trophic Level
2.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
25.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Crossocheilus Obscurus (Crossocheilus obscurus) is a ray-finned fish of the family Cyprinidae. It inhabits freshwater waters. This species can reach a maximum total length of 13.9 cm. With a trophic level of 2.3, it is an omnivore, consuming both plant and animal matter. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Crossocheilus obscurus
Authority
Tan & Kottelat, 2009
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
13.9 cm
Trophic Level
2.3
Resilience
High
Vulnerability
25.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 11; Anal soft rays: 7. Diagnosed from other Southeast Asian species of Crossocheilus by the following combination of characters: one pair of rostral barbels, maxillary barbels absent; midlateral stripe with edges not sharply contrasted, slightly curved downward, obscured in largest individuals, continued on median caudal-fin rays, reaching posterior margin; black mark between anus and anal fin absent; mouth width 30-36 % HL; and size reaches up to at least 14 cm SL . : elongated.

🌀 Behaviour

Behavioural data for Crossocheilus Obscurus is currently being reviewed.

🦐 Diet

algae
aquatic plants
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.3±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L3.05 (TL)
Max TL
13.9cm
Dorsal Rays
11
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
2.3
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Tan & Kottelat, 2009

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