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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Forktail pygmygoby

Trimma hoesei Winterbottom, 1984
Max Length
2.4 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
15–50 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Forktail pygmygoby (Trimma hoesei) 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 2.4 cm. It occurs at depths between 15 and 50 metres. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Trimma hoesei
Authority
Winterbottom, 1984
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
2.4 cm
Depth Range
15–50 m
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 9 - 10; Anal spines: 1; Anal soft rays: 9 - 11. Characterized by semi-translucent upper half of body, pinkish on lower half; most body scales with vertical yellow streak on caudal and bands/stripes on dorsal and anal; elongate second and third dorsal spine; branched 9-10 pectoral rays; fifth pelvic ray branched, about equal to length of fourth ray; forked caudal fin; longitudinal scale series 23-26; predorsal scales 2-5; cheek and opercle without scales; depth of body 4.5-4.8 in SL .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Forktail pygmygoby 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 15 - 50 m . Tropical east to Fiji, south to Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.01 (TL)
Max TL
2.4cm
Dorsal Spines
7
Dorsal Rays
10
Anal Spines
1
Anal Rays
10

🌡️ 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
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Winterbottom, 1984

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