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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Red Sea dwarfgoby

Eviota marerubrum Tornabene, Greenfield & Erdmann, 2021
Max Length
1.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
9–27 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Red Sea dwarfgoby (Eviota marerubrum) is a ray-finned fish of the family Gobiidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 1.7 cm. It occurs at depths between 9 and 27 metres. With a trophic level of 3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Eviota marerubrum
Authority
Tornabene, Greenfield & Erdmann, 2021
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
1.7 cm
Depth Range
9–27 m
Trophic Level
3
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8; Anal spines: 1; Anal soft rays: 7. This species is distinguished by the following characters: body depth ca. 20-25% SL; unbranched pectoral-fin rays, usually 15; cephalic sensory-canal pore pattern lacking only the IT pore, AITO small and opening dorsally; dorsal/anal-fin formula 8/7; fifth pelvic-fin ray 8-15% of fourth ray. Colouration: a small dark circular spot on area of preural centrum connected to a short, narrow dark vertical line over end of hypural plate; caudal fin of freshly dead specimens with 5-6 dark vertical bars, naris long and reddish brown; eye with two distinct white horizontal stripes, one crossing through upper margin of eye, the other crossing through lower margin of eye .Cross section: oval.

🌀 Behaviour

Behavioural data for Red Sea dwarfgoby is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; reef-associated; depth range 9 - 27 m . Tropical Indian Ocean: Red Sea (Gulf of Aqaba to Saudi Arabia).

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00851 × L3.18 (TL)
Max TL
1.7cm
Dorsal Spines
7
Dorsal Rays
8
Anal Spines
1
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Tropical
Described By
Tornabene, Greenfield & Erdmann, 2021

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