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🌊 Marine Least Concern ⚠️ Venomous ⚡ Venomous 🌡️ Tropical

Guam scorpionfish

Scorpaenodes guamensis Quoy & Gaimard, 1824
Max Length
14 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
0–20 m
Climate
Tropical
Resilience
Medium
Vulnerability
28.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Found in rock crevices in reef flats, shallow lagoons, and channels. Feeds mainly at night on small shrimps, crabs, and polychaetes. Anterolateral glandular groove with venom gland . Solitary and cryptic (Ref 90102).

Scientific Name
Scorpaenodes guamensis
Authority
Quoy & Gaimard, 1824
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
14 cm
Depth Range
0–20 m
Latitude
40°S – 35°N
Trophic Level
3.4
Resilience
Medium
Vulnerability
28.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 13 - 14; Dorsal soft rays (total): 7 - 9; Anal spines: 3; Anal soft rays: 5. Thie species is distinguished by the following set of characters: pectoral-fin rays 17-20 (mode 18), some rays branched in specimens over ca. 40 mm SL; dorsal-fin soft rays 7-9 (8); scale rows in longitudinal series 40-46 (43); underside of lower jaw scaleless; gill rakers 11-15 (13); with nasal spine; lateral lacrimal spine is usually present; suborbital spines 2, first spine below eye, second spine at end of suborbital ridge; no interorbital and coronal spines; opercle with a large dark blotch; no dark blotch on subopercle or spinous portion of dorsal fin .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Guam scorpionfish is currently being reviewed.

🦐 Diet

Diet information for Guam scorpionfish is currently being compiled.

🥚 Reproduction

Reproduction data for Guam scorpionfish is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 0 - 20 m , usually 0 - 5 m . Tropical; 35°N - 40°S east coast of Africa and the Red Sea east to the Society Islands.

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L2.99 (TL)
Max TL
14cm
Dorsal Spines
14
Dorsal Rays
8
Anal Spines
3
Anal Rays
5

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
28.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
35°N – 40°S
Described By
Quoy & Gaimard, 1824

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