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💧 Freshwater 🌡️ Tropical

Psilorhynchus Ngathanu

Psilorhynchus ngathanu Shangningam & Vishwanath, 2013
Max Length
6 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Psilorhynchus Ngathanu (Psilorhynchus ngathanu) is a ray-finned fish of the family Psilorhynchidae. It inhabits freshwater waters. This species can reach a maximum total length of 6 cm. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Psilorhynchus ngathanu
Authority
Shangningam & Vishwanath, 2013
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
6 cm
Trophic Level
2.9
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 12; Anal soft rays: 8; Vertebrae: 24 - 35. Distinguished from its congeners in having a combination of the following characters: midventral region between pectoral fins scaleless; two rows of spots on dorsal-fin rays present; two black bars on caudal fin present, one complete in middle and another incomplete just posterior to caudal-fin base; lateral line with squarish to rectangular black patches, anterior patches obscured by the background pigmentation, patches decrease in size posteriorly; pectoral fin with v-vi unbranched rays; caudal fin with 10 + 9 principal rays; and lateral line with 32-33 . : elongated.

🌀 Behaviour

Behavioural data for Psilorhynchus Ngathanu is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.00417 × L3.17 (TL)
Max TL
6cm
Dorsal Rays
12
Anal Rays
8
Vertebrae
30

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Shangningam & Vishwanath, 2013

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