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Diadromous Least Concern 🌡️ Subtropical

Ctenotrypauchen Chinensis

Ctenotrypauchen chinensis Steindachner, 1867
Max Length
19.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
50–70 m
Climate
Subtropical
Resilience
Medium
Vulnerability
35.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

This species was collected at depths of 62-65 in the Arafura Sea and 50-70 m from the Samar Sea; possible that this species may be confined to deeper waters than most other members of this subfamily .

Scientific Name
Ctenotrypauchen chinensis
Authority
Steindachner, 1867
Habitat
Diadromous
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
19.2 cm
Depth Range
50–70 m
Trophic Level
3.8
Resilience
Medium
Vulnerability
35.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Ctenotrypauchen
Ctenotrypauchen
Species
Ctenotrypauchen Chinensis
Ctenotrypauchen chinensis

🐟 Physical Description

Dorsal soft rays (total): 53 - 57; Anal soft rays: 41 - 46. Distinguished by the following: serrated frontal crest with united, bur slightly emarginate pelvic fins; total elements in dorsal fin 53-57; total elements in anal fin 41-46, pectoral-fin rays 14-17; pelvic-fin rays I, 3-5; anal-fin pterygiophores preceding the first hemal spine (AP) 3-4; caudal vertebral count 23-25; longitudinal scale rows 48-66 .: elongated.

🌀 Behaviour

Behavioural data for Ctenotrypauchen Chinensis is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal; depth range 50 - 70 m . Subtropical South China Sea.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.8±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00398 × L3 (TL)
Max TL
19.2cm
Dorsal Rays
55
Anal Rays
44

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
35.00/100
Low vulnerability
Trophic Level
3.8
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Steindachner, 1867

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