New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

Diadromous Data Deficient 🌡️ Tropical

Rhyacichthys Guilberti

Rhyacichthys guilberti Dingerkus & Séret, 1992
Max Length
18 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
0–5 m
Climate
Tropical
Resilience
-
Vulnerability
12.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Rhyacichthys Guilberti (Rhyacichthys guilberti) is a ray-finned fish of the family Rhyacichthyidae. It inhabits diadromous, migrating between freshwater and the sea waters in benthic environments. This species can reach a maximum total length of 18 cm. It occurs at depths between 0 and 5 metres. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Rhyacichthys guilberti
Authority
Dingerkus & Séret, 1992
Habitat
Diadromous
Climate
Tropical
IUCN Status
DD
Max Length
18 cm
Depth Range
0–5 m
Trophic Level
3.5
Vulnerability
12.00/100
Migration
Amphidromous
Salinity
30–40 ppt

🐟 Physical Description

Vertebrae: 12 - 15. Characterized by having 12+15 vertebrae; head, body and fins speckled and mottled with black with darker rows of spots and lines along body and fins .

🌀 Behaviour

Behavioural data for Rhyacichthys Guilberti is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal; amphidromous ; depth range 0 - 5 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Migration
Amphidromous
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
18cm
Vertebrae
14

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2011

📊 Population Risk & Fisheries

Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Tropical
Described By
Dingerkus & Séret, 1992

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Rhyacichthys Guilberti ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.