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💧 Freshwater 🌡️ Subtropical

Homatula Nigra

Homatula nigra Li, Che & Zhou, 2019
Max Length
10.9 cm
Max Weight
-
Lifespan
-
Trophic Level
2.7
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
40.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Inhabits flowing and clear stream environments, living at the bottom and shuttling back and forth among rocks and gravel. It is omnivorous, mainly feeding on algae attached to rocks, organic residues, and small aquatic insects .

Scientific Name
Homatula nigra
Authority
Li, Che & Zhou, 2019
Habitat
Freshwater
Climate
Subtropical
Max Length
10.9 cm
Trophic Level
2.7
Resilience
Medium
Vulnerability
40.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

This species is distinguished from its congeners by the following set of characters: flank without marks (vs. vertical bars on flank along lateral line in all congeners); no free protrusions between the pelvic fins (vs. a pair of free protrusions in H. pycnolepis); gill opening smaller, its upper angle level with the lower edge of eye (vs. larger, with upper angle aligned with middle point of eye in H. acuticephala, H. anguillioides, H. coccinocola, H. erhaiensis, H. pycnolepis); pelvic axillary lobe present (vs. absent in H. acuticephala, H. anguillioides); marked notch on lower jaw (vs. lower jaw spoon-shaped and without notch in H. erhaiensis, H. wuliangensis); dorsal-fin base shorter than longest branched dorsal-fin ray (vs. longer than longest branched dorsal-fin ray in H. acuticephala, H. anguillioides, H. cryptoclathrata, H. erhaiensis, H. wuliangensis .Cross section: circular.

🌀 Behaviour

Behavioural data for Homatula Nigra is currently being reviewed.

🦐 Diet

Diet information for Homatula Nigra is currently being compiled.

🥚 Reproduction

Reproduction data for Homatula Nigra is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Subtropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.7±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.01 (TL)
Max TL
10.9cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
40.00/100
Moderate vulnerability
Trophic Level
2.7
Omnivore / Planktivore
Climate Zone
Subtropical
Described By
Li, Che & Zhou, 2019

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