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💧 Freshwater Data Deficient 🌡️ Tropical

Röemer's grunter

Hephaestus roemeri Weber, 1910
Max Length
30 cm
Max Weight
Lifespan
Trophic Level
3.3
Depth
Climate
Tropical
Resilience
Medium
Vulnerability
37.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Röemer's grunter (Hephaestus roemeri) is a ray-finned fish of the family Terapontidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 30 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Hephaestus roemeri
Authority
Weber, 1910
Habitat
Freshwater
Climate
Tropical
IUCN Status
DD
Max Length
30 cm
Trophic Level
3.3
Resilience
Medium
Vulnerability
37.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 12 - 14; Anal spines: 3; Anal soft rays: 9 - 10.

🌀 Behaviour

Behavioural data for Röemer's grunter is currently being reviewed.

🦐 Diet

Diet information for Röemer's grunter is currently being compiled.

🥚 Reproduction

Eggs are guarded and fanned by the male parent .

🌍 Habitat & Distribution

Freshwater; demersal. Tropical; 4°S - 8°S known only from Digul and Lorentz rivers in Irian Jaya, Indonesia (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.0123 × L3.04 (TL)
Max TL
30cm
Dorsal Spines
12
Dorsal Rays
13
Anal Spines
3
Anal Rays
10

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Weber, 1910

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