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💧 Freshwater Endangered 🌡️ Tropical

Eleotris Annobonensis

Eleotris annobonensis Blanc, Cadenat & Stauch, 1968
Max Length
11.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
28.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Eleotris Annobonensis (Eleotris annobonensis) is a ray-finned fish of the family Eleotridae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 11.5 cm. With a trophic level of 3.6, it is a mid-level predator. It is assessed as Endangered on the IUCN Red List.

Scientific Name
Eleotris annobonensis
Authority
Blanc, Cadenat & Stauch, 1968
Habitat
Freshwater
Climate
Tropical
IUCN Status
EN
Max Length
11.5 cm
Trophic Level
3.6
Resilience
High
Vulnerability
28.00/100
Migration
Amphidromous

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Gobiiformes
Gobiiformes
Family
Eleotridae
Eleotridae
Genus
Eleotris
Eleotris
Species
Eleotris Annobonensis
Eleotris annobonensis

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8; Anal spines: 1; Anal soft rays: 8. Diagnosis: conspicuous discrete dark spot present on upper pectoral fin base (if specimen is very dark spot may not be highly contrasted but is still distinct; sensory papillae on upper rear field of opercle form a single arching row; 54-63 scales in longitudinal series, usually 56 or more .

🌀 Behaviour

Behavioural data for Eleotris Annobonensis 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; amphidromous . Tropical endemic, found on Bioko (=Fernando Poo) and Annobon (=Pagalu) islands of Equatorial Guinea, and Sao Tome and Principe islands (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish ⬇️ Benthic
Migration
Amphidromous
Trophic Level
3.6±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00912 × L3.12 (TL)
Max TL
11.5cm
Dorsal Spines
7
Dorsal Rays
8
Anal Spines
1
Anal Rays
8

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
28.00/100
Low vulnerability
Trophic Level
3.6
Predator
Climate Zone
Tropical
Described By
Blanc, Cadenat & Stauch, 1968

🌐 Names & Taxonomy

Language Common Names
🇵🇹Portuguese Guavina-de-São-Tomé

Scientific Synonyms

Scientific Name Author Year Status
Eleotris annoboensis Blanc, Cadenat & Stauch 1968 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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