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💧 Freshwater Data Deficient 🐠 Aquarium 🌡️ Tropical

Stiphodon Astilbos

Stiphodon astilbos Ryan, 1986
Max Length
3.9 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Stiphodon Astilbos (Stiphodon astilbos), first described by Ryan, 1986 is a tiny fish in the family Gobiidae (order Gobiiformes). Adults typically reach 3.90 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. On the IUCN Red List, it is classified as Data Deficient.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Gobiidae kept in the hobby.

Scientific Name
Stiphodon astilbos
Authority
Ryan, 1986
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
3.9 cm
Resilience
High
Vulnerability
10.00/100
Migration
Amphidromous
Salinity
0–0.5 ppt

🐟 Physical Description

The body is elongated, the snout is rounded and the mouth is slightly inferior. The first dorsal fin has 6 spiny rays and the second dorsal fin one spiny ray and 10 soft rays. The anal fin has one spiny ray and 10 soft rays. The pectoral fins generally have 14 rays and the caudal fin has 13. There are 12 to 16 scales in transverse forward series and 9 scales in transverse back series. The central predorsal scales are minute and there are 6 to 11 for males and 4 to 6 for females. There are 24 to 29 scales in longitudinal series. The male has a silvery belly and blue to yellow band along the flanks extending from the pectoral fin to the caudal fin. There is a greyish spot at the base of the caudal fin. The female is brown-yellow with three dark longitudinal bands .: elongated.

🌀 Behaviour

Behavioural data for Stiphodon Astilbos 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; amphidromous. Tropical endemic to a few rivers of the Vanuatu.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Amphidromous

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
3.9cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Body Shape
Elongated
Climate Zone
Tropical
Described By
Ryan, 1986

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