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💧 Freshwater 🌡️ Temperate

Lefua Nishimurai

Lefua nishimurai Katayama, 2024
Max Length
6.3 cm
Max Weight
-
Lifespan
-
Trophic Level
2.8
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
33.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

This species dwells in small mountain streams with soft bottom composed of sand and gravel. It hides under rocks and stones at the river edge or sediments, as well as under fallen leaves from the trees around the water body .

Scientific Name
Lefua nishimurai
Authority
Katayama, 2024
Habitat
Freshwater
Climate
Temperate
Max Length
6.3 cm
Trophic Level
2.8
Resilience
Medium
Vulnerability
33.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 8 - 10; Anal soft rays: 8 - 10; Vertebrae: 39 - 43. This species is distinguished from its congeners by the following set of characters: rhomboid or triangular dark blotches on middle of caudal fin base absent; black longitudinal stripe on both body sides in mature males absent; dusky cross bars on dorsal area of body absent; dusky bar beside dorsal fin base absent; eyes located dorsally on head; narrow conspicuous longitudinal mark between base of outer rostral barbel and eye; small dorsal fin; small or bit diameter (6.3-11.2% of head length); small value of interorbital width relative to body width (28.1-39.4%); dark spots dorsally and ventrally on caudal fin base; small dark brown spots from snout to caudal peduncle; small dark spots on dorsal and caudal fins (approximately same size as eyes) .Cross section: oval.

🌀 Behaviour

Behavioural data for Lefua Nishimurai is currently being reviewed.

🦐 Diet

Diet information for Lefua Nishimurai is currently being compiled.

🥚 Reproduction

Reproduction data for Lefua Nishimurai is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal. Temperate

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
2.8±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.01 (TL)
Max TL
6.3cm
Dorsal Rays
9
Anal Rays
9
Vertebrae
41

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Climate Zone
Temperate
Described By
Katayama, 2024

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