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💧 Freshwater Vulnerable 🌡️ Tropical

Hephaestus Obtusifrons

Hephaestus obtusifrons Mees & Kailola, 1977
Max Length
12.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
18.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Adults are found in high altitude (200-400 m elevation) fast-flowing mountain streams with gravel or rock substrates. Eggs are guarded and fanned by the male parent .

Scientific Name
Hephaestus obtusifrons
Authority
Mees & Kailola, 1977
Habitat
Freshwater
Climate
Tropical
IUCN Status
VU
Max Length
12.5 cm
Trophic Level
3.2
Resilience
High
Vulnerability
18.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

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

🌀 Behaviour

Behavioural data for Hephaestus Obtusifrons is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

Eggs are guarded and fanned by the male parent .

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical; 2°S - 4°S known only from the Bewani Mountains in the headwaters of the Pual (or Nemayer) River system, Papua New Guinea and the upper Sermowai River, Irian Jaya, Indonesia.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.0123 × L3.04 (TL)
Max TL
12.5cm
Dorsal Spines
12
Dorsal Rays
11
Anal Spines
3
Anal Rays
10

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
18.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Mees & Kailola, 1977

👥 Community & Contribute

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