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

🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Hairfin dwarfgoby

Eviota prasites Jordan & Seale, 1906
Max Length
3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
1–30 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits rubble of lagoon reefs . Also occurs in various reef habitats to about 15 meters depth . Occurs in small groups (Ref 90102).

Scientific Name
Eviota prasites
Authority
Jordan & Seale, 1906
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
3 cm
Depth Range
1–30 m
Latitude
23°S – 10°N
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Gobiiformes
Gobiiformes
Family
Gobiidae
Gobiidae
Genus
Eviota
Eviota
Species
Hairfin dwarfgoby
Eviota prasites

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8 - 9; Anal spines: 1; Anal soft rays: 6 - 7. This species is distinguished by the following characters: cephalic sensory-canal pore system lacks the IT pore (pattern 2); unbranched pectoral-fin rays; dorsal/anal-fin formula is 8/7; fifth pelvic-fin ray 40% of fourth ray; abdomen without the black peritoneum clearly visible externally; upper portion of pectoral-fin base with a dark spot when dead, and which is lacking or less visible in life; when alive. there is a distinctive red line running from the tip of the lower jaw back under the eye across the cheek . : elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Hairfin 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 1 - 30 m . Tropical; 10°N - 23°S east and northward to Japan (Ryukyu Islands); east through Micronesia (Palau, Guam, Federated States of Micronesia [Yap], Kiribati [Gilbert Islands]); including New Caledonia, Samoa, and French Polynesia; south through Melanesia to Australia (Great Barrier Reef).

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00692 × L3.09 (TL)
Max TL
3cm
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
1
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
10°N – 23°S
Described By
Jordan & Seale, 1906

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Hair-fin Pygmy-goby · Hairfin Pygmy Goby · Hairfin Pygmy-goby · Prasites Pygmy Goby · Red And White-spotted Pygmygoby · Red and Whitespotted Pygmygoby · hairfin eviota
🇯🇵Japanese Aoisohaze · アオイソハゼ
🌍SMO Mano'o-lele
🇨🇳Chinese 胸斑磯塘鱧

Scientific Synonyms

Scientific Name Author Year Status
Eviota parasites Jordan & Seale 1906 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 11 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 Hairfin dwarfgoby ↗
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.