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🌊 Marine Least Concern 🌡️ Tropical

Twospine driftfish

Psenes sio Haedrich, 1970
Max Length
33.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
24.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Twospine driftfish (Psenes sio) is a ray-finned fish of the family Nomeidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 33.5 cm. With a trophic level of 3.6, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Psenes sio
Authority
Haedrich, 1970
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
33.5 cm
Latitude
11°S – 10°N
Trophic Level
3.6
Resilience
High
Vulnerability
24.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 8; Anal spines: 2; Anal soft rays: 23. Body is elongate, dark brown in alcohol .

🌀 Behaviour

Behavioural data for Twospine driftfish is currently being reviewed.

🦐 Diet

Diet information for Twospine driftfish is currently being compiled.

🥚 Reproduction

Reproduction data for Twospine driftfish is currently being compiled.

🌍 Habitat & Distribution

Marine; benthopelagic. Tropical; 10°N - 11°S

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.6±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L3.01 (TL)
Max TL
33.5cm
Dorsal Spines
8
Anal Spines
2
Anal Rays
23

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2008

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
3.6
Predator
Climate Zone
Tropical
Latitude Range
10°N – 11°S
Described By
Haedrich, 1970

🌐 Names & Taxonomy

Language Common Names
🇬🇧English twospine driftfish
🇯🇵Japanese ヒガシハナビラウオ
🇵🇹Portuguese Peixe-derivante-de-espinho
🇪🇸Spanish Derivante · derivante dos espinas · Flotador de dos Espinas · Savorin

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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