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💧 Freshwater Least Concern 🌡️ Tropical

Barred gudgeon

Bostrychus zonatus Weber, 1907
Max Length
18.5 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Barred gudgeon (Bostrychus zonatus), first described by Weber, 1907 is a medium-sized fish in the family Eleotridae (order Gobiiformes). Adults typically reach 18.50 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. Diet is predominantly piscivorous, targeting other fish and larger prey. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Bostrychus zonatus
Authority
Weber, 1907
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
18.5 cm
Trophic Level
4
Resilience
High
Vulnerability
15.00/100

🐟 Physical Description

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 16 - 17; Anal spines: 1; Anal soft rays: 11 - 12; Vertebrae: 36 - 38. : fusiform / normal.

🌀 Behaviour

Behavioural data for Barred gudgeon is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; brackish; demersal. Tropical; 8°S - 9°S

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
4±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00933 × L3.06 (TL)
Max TL
18.5cm
Dorsal Spines
11
Dorsal Rays
17
Anal Spines
1
Anal Rays
12
Vertebrae
37

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
4
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Weber, 1907

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