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🌊 Marine Least Concern 🌡️ Temperate

Eastern red scorpionfish

Scorpaena cardinalis Solander & Richardson, 1842
Max Length
40.5 cm
Max Weight
-
Lifespan
33 yrs
Trophic Level
3.5
Depth
0–154 m
Climate
Temperate
Resilience
Low
Vulnerability
34.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits rocks, crevices and caverns at all depths. Occasionally found in large rock pools in the lower littoral zone. Is nocturnally active and feeds mainly on small mobile benthic animals. Stalks its prey and swallows it whole .

Scientific Name
Scorpaena cardinalis
Authority
Solander & Richardson, 1842
Habitat
Marine
Climate
Temperate
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
40.5 cm
Lifespan
33 years
Depth Range
0–154 m
Trophic Level
3.5
Resilience
Low
Vulnerability
34.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 8 - 9. This species is distinguished by the following set of characters: D 9 (8 rays in one specimen), with the 4th (rarely third) dorsal-fin spine longest; pectoral-fin rays 16-18 (mode 17); scale rows in longitudinal series 60-74 (68); pored lateral-line scales 23-25 (24); scales above lateral line 6-9 (8), below 21-26 (22); scale rows between 6th dorsal-fin spine base and lateral line 8 or 9 (9); scale rows between last dorsal-fin spine base and lateral line 8-11 (10); pre-dorsal scale rows 4-8 (6); gill rakers on upper limb 4-6 (5), lower limb 9-13 (12) [8-10 (9) and 1-4 (3) rakers on ceratohyal and hypobranchial, respectively], total rakers 14-18 (17); exposed cycloid scales covering pectoral-fin base and anteroventral surface of body (some scales covered by thin skin, especially in large adults); no longitudinal ridge on lateral surface of maxilla; lateral lacrimal spine with 2 spinous points; anterior lacrimal spine with 1-3 small spinous points on its posterior margin; posterior lacrima spine with 1-3 spinous points, directed posteroventraly throughout life; median interorbital ridge present; no coonal spines; occipital pit and supplement preopercular spine present; pterotic spine simple, smooth distally throughout life; space between upper and lower opercular spines covered by thin skin without sensory pores or canals; a few skin flaps or tentacles on anterodorsal surface of body; without a large black blotch on spinous portion of dorsal fin in both sexes; 2 large white blotches, their diameters subequal to pupil diameter, on caudal-fin base .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Eastern red 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; reef-associated; depth range 0 - 154 m . Temperate Southwest Pacific: northern New Zealand and offshore islands of the Tasman Sea (Norfolk and Lord Howe Islands, Middleton and Elizabeth Reefs, New South Wales, Australia; not recorded from the coastal waters of Australian mainland).

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.5±0.5
Food Items

small mobile benthic animals

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L3.09 (TL)
Max TL
40.5cm
Dorsal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
34.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Short and / or deep
Climate Zone
Temperate
Described By
Solander & Richardson, 1842

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Ruboralga cardinalis Solander & Richardson 1842 Synonym
Ruboralga cookii Günther 1874 Synonym
Scorpaena cooki Günther 1874 Synonym
Scorpaena plebeia Solander 1842 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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View all observations for Eastern red scorpionfish ↗
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