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💧 Freshwater Least Concern 🌡️ Tropical

Roux's pygmy-goby

Pandaka rouxi Weber, 1911
Max Length
1.2 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
0–2 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Roux's pygmy-goby (Pandaka rouxi) is a ray-finned fish of the family Gobiidae. It inhabits freshwater waters. This species can reach a maximum total length of 1.2 cm. It occurs at depths between 0 and 2 metres. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Pandaka rouxi
Authority
Weber, 1911
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
1.2 cm
Depth Range
0–2 m
Trophic Level
2.9
Resilience
High
Vulnerability
10.00/100

🐟 Physical Description

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 6 - 7; Anal spines: 1; Anal soft rays: 6 - 7. Characterized by black and white color pattern on body; small black spot at middle of caudal fin base between two small yellow spots; body with yellow streaks; translucent fins except first dorsal black on anterior third and remainder of fin yellow; base of dorsal and anal fins with dark brown band; head and nape without scales; rounded caudal fin .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Roux's pygmy-goby is currently being reviewed.

🦐 Diet

Diet information for Roux's pygmy-goby is currently being compiled.

🥚 Reproduction

Reproduction data for Roux's pygmy-goby is currently being compiled.

🌍 Habitat & Distribution

Freshwater; brackish; benthopelagic; depth range 0 - 2 m . Tropical Central Pacific: Papua New Guinea.

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01 × L3 (TL)
Max TL
1.2cm
Dorsal Spines
7
Dorsal Rays
7
Anal Spines
1
Anal Rays
7

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Weber, 1911

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