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🌊 Marine Data Deficient 🌡️ Tropical

Serrated deepwater scorpionfish

Scorpaenopsis crenulata Motomura & Causse, 2011
Max Length
4.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
15.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Serrated deepwater scorpionfish (Scorpaenopsis crenulata), first described by Motomura & Causse, 2011 is a tiny fish in the family Scorpaenidae (order Perciformes). Adults typically reach 4.90 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Scorpaenopsis crenulata
Authority
Motomura & Causse, 2011
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
DD
Max Length
4.9 cm
Trophic Level
3.5
Vulnerability
15.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 5. This species is distinguished by the following characters: 17 pectoral-fin rays; 37 scale rows in longitudinal series; 19 pored lateral-line scales; posterior margin of maxilla extending well beyond a vertical through posterior margin of orbit; an additional spine arising from a low median ridge of anterior lacrimal spine; posterior lacrimal spine divided into 2 spinous points; poorly developed interorbital ridges, covered with skin (not visible if skin is not removed); upper opercular spine divided into three spinous points; postocular, tympanic, nuchal, pterotic, posttemporal, and supracleithral spines serrated; extremely deep occipital pit, its depth greater than pupil diameter; space between ventral margin of orbit and suborbital ridge broad, its distance 4.1% SL ; extremely deep suborbital pit, its depth subequal to pupil diameter; a pair of pores behind a symphysial knob on lower jaw; nape and anterior body not highly arched; a narrow interorbital space, its width (7.2% SL ) less than orbit diameter; a large head, its length 50.5% SL ; short snout, length 13.7% SL ; large eye, orbit diameter 11.5% SL ; inner surface of pectoral fin with a poorly defined, large black blotch distally between third and seventh rays; a large black blotch on the upper one-third of pectoral-fin axil .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Serrated deepwater scorpionfish 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; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.5±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.0166 × L3.07 (TL)
Max TL
4.9cm
Dorsal Spines
12
Dorsal Rays
9
Anal Spines
3
Anal Rays
5

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2015

📊 Population Risk & Fisheries

Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Motomura & Causse, 2011

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