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Diadromous Data Deficient 🌡️ Tropical

Cotylopus Acutipinnis

Cotylopus acutipinnis Guichenot, 1863
Max Length
13.4 cm
Max Weight
-
Lifespan
-
Trophic Level
2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
24.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits swift clear rainforest streams, where it feeds on algae . Hatching and larval stages in the sea, post-larvae and adults in freshwater . Also Ref. 51243.

Scientific Name
Cotylopus acutipinnis
Authority
Guichenot, 1863
Habitat
Diadromous
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
DD
Max Length
13.4 cm
Trophic Level
2
Resilience
High
Vulnerability
24.00/100
Migration
Amphidromous
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Gobiiformes
Gobiiformes
Family
Gobiidae
Gobiidae
Genus
Cotylopus
Cotylopus
Species
Cotylopus Acutipinnis
Cotylopus acutipinnis

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8 - 9. Long body almost cylindrical. Height 7 to 9 times in TL. Rounded snout. Slightly inferior mouth and prominent upper jaw. Conic teeth of the lower jaw are the same size. Head longer than high. Nape and belly without scales. Brownish to black body. Scales of the back and of the flanks marked with irregular edging ribbons brown to yellow. Second dorsal and anal fin are beige, sometimes spotted with a darker edging ribbon on the external edge for the anal fin. Pectoral and pelvic fins are greyish to brownish .: fusiform / normal.

🌀 Behaviour

Behavioural data for Cotylopus Acutipinnis is currently being reviewed.

🦐 Diet

algae
aquatic plants
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; freshwater; brackish; benthopelagic; amphidromous . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish
Migration
Amphidromous
Trophic Level
2
Food Items

algae (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.04 (TL)
Max TL
13.4cm
Dorsal Spines
7
Dorsal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Guichenot, 1863

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 9 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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