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🌊 Marine 🌡️ Tropical

Threadfin longfin

Plesiops gracilis Mooi & Randall, 1991
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
0–16 m
Climate
Tropical
Resilience
High
Vulnerability
19.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Threadfin longfin (Plesiops gracilis) is a ray-finned fish of the family Plesiopidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 7 cm. It occurs at depths between 0 and 16 metres. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Plesiops gracilis
Authority
Mooi & Randall, 1991
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
7 cm
Depth Range
0–16 m
Trophic Level
3.4
Resilience
High
Vulnerability
19.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 7 - 8; Anal spines: 3; Anal soft rays: 8. Has nine pale stripes on the body . : fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Threadfin longfin is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

Eggs are guarded by the male parent .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 0 - 16 m , usually 0 - 8 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.0123 × L2.98 (TL)
Max TL
7cm
Dorsal Spines
12
Dorsal Rays
8
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Mooi & Randall, 1991

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Threadfin Longfin
🇵🇹Portuguese Assessor-filamentoso

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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