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🌊 Marine 🌡️ Tropical

Tropical single-spined scorpionfish

Sebastapistes monospina Barnuevo & Motomura, 2025
Max Length
Max Weight
Lifespan
Trophic Level
3.7
Depth
1–27 m
Climate
Tropical
Resilience
High
Vulnerability
22.00/100
Typical Length
Depth Zone
reef

📖 Overview

This species dwells in shallow coral and rocky reef environments, commonly found in subtropical and tropical island ecosystems .

Scientific Name
Sebastapistes monospina
Authority
Barnuevo & Motomura, 2025
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
Depth Range
1–27 m
Trophic Level
3.7
Resilience
High
Vulnerability
22.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 5. This species is distinguished by the following set of characters: 15 or 16 (mode 16) pectoral-fin rays; 22 or 23 (23) pored lateral-line scales; 44-46 (45) scale rows in longitudinal series; 5 or 6 (5) scale rows above lateral line; 10 or 11 (11) scale rows below lateral line; 5 or 6 (6) scale rows between sixth dorsal fin spine base and lateral line, 5 or 6 (5) scale rows between last dorsal-fin spine base and lateral line; 4 or 5 (4) predorsal scale rows; 14-16 (14) gill rakers; anterior and posterior lacrimal spines simple, no accessory spines; lateral lacrimal ridge and spine absent; first and second suborbital ridges fused, forming a single ridge terminating in a single suborbital spine; presence of palatine teeth; upper-jaw teeth villiform, with canine-like teeth anteriorly; lower-jaw teeth villiform, with canine-like teeth (less pronounced in smaller specimens) well distributed and extending to posterior region; body scales predominantly cycloid (rarely with weak ctenii; absence of scales on space between upper and lower opercular spines; poorly developed interorbital ridges, a shallow channel between ridges; absence of coronal spines .: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Tropical single-spined scorpionfish is currently being reviewed.

🦐 Diet

Diet information for Tropical single-spined scorpionfish is currently being compiled.

🥚 Reproduction

Reproduction data for Tropical single-spined scorpionfish is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 1 - 27 m . Tropical Southwest Pacific: French Polynesia, Pitcairn Is.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.7±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.01288 × L3.02 (TL)
Dorsal Spines
7
Dorsal Rays
9
Anal Spines
3
Anal Rays
5

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
22.00/100
Low vulnerability
Trophic Level
3.7
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Barnuevo & Motomura, 2025

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