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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Redigobius Nanus

Redigobius nanus Larson, 2010
Max Length
2.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Redigobius Nanus (Redigobius nanus), first described by Larson, 2010 is a tiny fish in the family Gobiidae (order Gobiiformes). Adults typically reach 2.20 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. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Gobiidae kept in the hobby.

Scientific Name
Redigobius nanus
Authority
Larson, 2010
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
2.2 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100

🐟 Physical Description

Dorsal soft rays (total): 7; Anal spines: 1; Anal soft rays: 6. Distinguished by the following characteristics: small, less than 3 cm SL when adult; indistinct lateral dark speckling and dorsal saddles; scale margins narrowly outlined with dark brown; bright pale blue flecks and spots over brown markings on head, body and fins; first dorsal fin pointed, first spine elongate and pale-coloured in males; first or second spine longest in females but never elongate; second dorsal rays I,7; anal rays I,6; pectoral rays 16-17; longitudinal scales 20-25; TRB 7-10; predorsal scales 6-10; circumpeduncular scales 12 .

🌀 Behaviour

Behavioural data for Redigobius Nanus is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; brackish; demersal. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00708 × L3.07 (TL)
Max TL
2.2cm
Dorsal Rays
7
Anal Spines
1
Anal Rays
6

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Larson, 2010

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