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🌊 Marine Data Deficient 🐠 Aquarium 🌡️ Tropical

Thaman's dwarfgoby

Eviota thamani Greenfield & Randall, 2016
Max Length
1 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
14–16 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Thaman's dwarfgoby (Eviota thamani), first described by Greenfield & Randall, 2016 is a tiny fish in the family Gobiidae (order Gobiiformes). Adults typically reach 1.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 14 to 16 metres. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. 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
Eviota thamani
Authority
Greenfield & Randall, 2016
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
1 cm
Depth Range
14–16 m
Trophic Level
2.9
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: 8. This species is distinguished by the following characters: absence of cephalic sensory-canal pores, dark occipital spot, dark spot at preural centrum, nor narrow dark lines under eye; fifth pelvic-fin ray 20% or less of fourth ray; dorsal/anal-fin formula 8/8; urogenital papillae fimbriate in males and females; dark pigment spots on pectoral-fin base, dorsally and ventrally, but not crossing center of base .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Thaman's 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 14 - 16 m . Tropical Central Pacific: known only from Ono-i-Lau in Fiji.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2.9±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00692 × L3.09 (TL)
Max TL
1cm
Dorsal Spines
7
Dorsal Rays
8
Anal Spines
1
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Greenfield & Randall, 2016

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