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💧 Freshwater 🌡️ Tropical

Rhinogobius Ponkouensis

Rhinogobius ponkouensis Huang & Chen, 2007
Max Length
3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Rhinogobius Ponkouensis (Rhinogobius ponkouensis), first described by Huang & Chen, 2007 is a tiny fish in the family Gobiidae (order Gobiiformes). Adults typically reach 3.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Rhinogobius ponkouensis
Authority
Huang & Chen, 2007
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
Max Length
3 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 7 - 8; Dorsal soft rays (total): 8; Anal spines: 1; Anal soft rays: 7 - 8; Vertebrae: 28. Distinguished from its congeners by the following characters: second dorsal, I, 8; anal fin I, 7-8 (modally 7); pectoral fin 16-17 (modally 16); longitudinal scale rows 32-34; vertebral count modally 28; coloration pattern: cheek with 2 distinct oblique blackish brown stripes in male; pectoral fin base with 2 deep brown spots; branchiostegal membranes with 15-18 orange-red spots (light grayish when preserved); caudal fin with 4-6 rows of vertical deep brown lines or spots .: elongated.

🌀 Behaviour

Behavioural data for Rhinogobius Ponkouensis is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00813 × L3.08 (TL)
Max TL
3cm
Dorsal Spines
8
Dorsal Rays
8
Anal Spines
1
Anal Rays
8
Vertebrae
28

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Huang & Chen, 2007

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