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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Subtropical

Redspotfin dwarfgoby

Eviota rubriguttata Greenfield & Suzuki, 2011
Max Length
1.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
6–9 m
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Redspotfin dwarfgoby (Eviota rubriguttata) 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 1.3 cm. It occurs at depths between 6 and 9 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 rubriguttata
Authority
Greenfield & Suzuki, 2011
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
1.3 cm
Depth Range
6–9 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: 7. This species is distinguished from its congeners by the following set of characters: cephalic sensory-pore system pattern group1 (complete); dorsal/anal fin-ray formula 8/7; pectoral-fin rays branched; anterior spines of first dorsal fin not elongated; female genital papilla non-fimbriate; no 5th pelvic-fin ray; body relatively deep, 25% SL; occipital spot or spots on pectoral-fin base absent; internal blotch over ural centrum above midline, faint when preserved; both dorsal fins and anal fin with small, distinct, round red spots when fresh; when fresh and preserved, sides and belly peppered with tiny black chromatophores .: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Redspotfin 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 6 - 9 m . Subtropical Northwest Pacific: Japan, Ryukyu Is.

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.01 (TL)
Max TL
1.3cm
Dorsal Spines
7
Dorsal Rays
8
Anal Spines
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
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Greenfield & Suzuki, 2011

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