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💧 Freshwater 🌡️ Tropical

Carassius Praecipuus

Carassius praecipuus Kottelat, 2017
Max Length
6.2 cm
Max Weight
Lifespan
Trophic Level
2.9
Depth
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
Depth Zone

📖 Overview

Inhabits stream with 2-4 m width, about 30-50 cm depth, up to about 1 m depth in one of the curves, moderate current, and bottom consisted of gravel and pebble, with some areas cogvered by a thin layer of sediments. Occurs mainly in the deepest areas, under the roots of overhanging trees and bushes. Other fish species found were Opsarius pulchellus (Cyprinidae), Schistura coruscans, S. defectiva, S. personata, S. quaesita (Nemacheilidae), Oreoglanis sp. (Sisoridae) and Rhinogobius mekongianus (Gobiidae). Sexual maturity is attained at around 60-70 mm SL .

Scientific Name
Carassius praecipuus
Authority
Kottelat, 2017
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
6.2 cm
Trophic Level
2.9
Resilience
High
Vulnerability
12.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 13 - 15; Anal soft rays: 8. Carassius praecipuus is diagnosed from all other species of Carassius by having the origin of the anal fin located behind a vertical through the base of last dorsal-fin ray (vs. under dorsal-fi n base), 9-11½ branched dorsal-fin rays (vs. 11-21½), 25-27 +1 scales on lateral line (vs. 27-36 [total]), and 20-21 total gill rakers (vs. 23-128) .: fusiform / normal.

🌀 Behaviour

Behavioural data for Carassius Praecipuus is currently being reviewed.

🦐 Diet

Diet information for Carassius Praecipuus is currently being compiled.

🥚 Reproduction

Reproduction data for Carassius Praecipuus is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.01202 × L3.03 (TL)
Max TL
6.2cm
Dorsal Rays
14
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Kottelat, 2017

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