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🌊 Marine Least Concern 🌡️ Tropical

Tonkin weakfish

Cynoscion similis Randall & Cervigón, 1968
Max Length
60 cm
Max Weight
2.0 kg
Lifespan
-
Trophic Level
3.9
Depth
20–60 m
Climate
Tropical
Resilience
Medium
Vulnerability
37.00/100
Typical Length
40 cm
Depth Zone
demersal

📖 Overview

Overview information for Tonkin weakfish is currently being compiled by our editorial team.

Scientific Name
Cynoscion similis
Authority
Randall & Cervigón, 1968
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
60 cm
Max Weight
2 kg
Depth Range
20–60 m
Trophic Level
3.9
Resilience
Medium
Vulnerability
37.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 11; Dorsal soft rays (total): 24 - 29; Anal spines: 2; Anal soft rays: 8 - 10. Silvery grey on back, pale below. Trunk with dotted oblique stripes along scale rows. Inside opercle black, visible externally. Spinous dorsal-fin margin dark. Mouth large, slightly oblique, lower jaw projecting. Upper jaw with a pair of large canine-like teeth at tip. Chin without barbels or pores. Snout with 2 marginal pores. Gas bladder with a pair of straight, horn-like anterior appendages. Soft dorsal fin unscaled except 2 or 3 rows of small scales along its base (Ref 51721).: fusiform / normal.

🌀 Behaviour

Behavioural data for Tonkin weakfish is currently being reviewed.

🦐 Diet

Diet information for Tonkin weakfish is currently being compiled.

🥚 Reproduction

Reproduction data for Tonkin weakfish is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 20 - 60 m . Tropical; 12°N - 4°N

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.9±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L3.06 (TL)
Max TL
60cm
Max Weight
2,000g
Dorsal Spines
11
Dorsal Rays
27
Anal Spines
2
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
3.9
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Randall & Cervigón, 1968

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Tonkin weakfish
🌍CES smuha kolumbijská
🇫🇷French Acoupa tonquiche
🇯🇵Japanese マドイナガニベ
🇵🇹Portuguese Pescada · pescada-negra · pescada-preta
🇷🇺Russian Зубатый горбыль
🇪🇸Spanish Corvinata Tonquicha

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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