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

💧 Freshwater Endangered 🌡️ Tropical

Galapagos cuskeel

Ogilbia galapagosensis Poll & LeLeup, 1965
Max Length
5.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
Low
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Galapagos cuskeel (Ogilbia galapagosensis) is a ray-finned fish of the family Dinematichthyidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 5.8 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Endangered on the IUCN Red List.

Scientific Name
Ogilbia galapagosensis
Authority
Poll & LeLeup, 1965
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
EN
Max Length
5.8 cm
Trophic Level
3.3
Resilience
Low
Vulnerability
10.00/100

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 69 - 74; Anal soft rays: 54 - 62. This species has the following characters: Dorsal fin rays 69-76, anal fin rays 54-62; outer pseudoclasper with a long spine-like supporter; inner pseudoclasper very short, anteriorly inclined; opercular spine with a single, sharp tip; cheeks naked; body not pigmented; upper preopercular pore absent; caudal fin rays 11-12 .: elongated.

🌀 Behaviour

Behavioural data for Galapagos cuskeel 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 South America: Galapagos Islands.

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.3±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
5.8cm
Dorsal Rays
72
Anal Rays
58

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2022

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Poll & LeLeup, 1965

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Galápagos Brotula · Galapagos cuskeel
🌍CES jeskyňovka galapážská

Scientific Synonyms

Scientific Name Author Year Status
Caecogilbia galapagosensis Poll & LeLeup 1965 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Galapagos cuskeel ↗
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.