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💧 Freshwater Least Concern 🌡️ Tropical

Hephaestus Tulliensis

Hephaestus tulliensis De Vis, 1884
Max Length
30 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
37.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Adults are found abundantly in faster flowing sections of rivers, including riffles, over gravel, cobble and rocky bottoms. Sexual maturity is reached at about 13 m for males. Spawning occurs from July to October. Feed on a variety of macroinvertebrates, including crustaceans, aquatic and terrestrial insects, and algae . Eggs are guarded and fanned by the male parent .

Scientific Name
Hephaestus tulliensis
Authority
De Vis, 1884
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
30 cm
Trophic Level
3.3
Resilience
Medium
Vulnerability
37.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 11 - 12; Anal spines: 3; Anal soft rays: 7 - 10. Greatest body depth 2.2-2.5 in SL. Compared to H. fuliginosus, this species lacks the dark band across the pectoral fin base and the concave forehead-snout profile; and its relatively long pelvic fins reach the vicinity of the anus when depressed against the body .

🌀 Behaviour

Behavioural data for Hephaestus Tulliensis 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

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.5
Food Items

a variety of macroinvertebrates, including crustaceans, aquatic and terrestrial insects, and algae (

📐 Morphometrics

Length–Weight Relationship: W = 0.01698 × L2.99 (TL)
Max TL
30cm
Dorsal Spines
7
Dorsal Rays
12
Anal Spines
3
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ 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
3.3
Predator
Climate Zone
Tropical
Described By
De Vis, 1884

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