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🌊 Marine Least Concern 🎣 Game Fish 🌡️ Tropical 🎣 Game Fish

Small kob

Johnius dorsalis Peters, 1855
Max Length
40 cm
Max Weight
Lifespan
Trophic Level
3.5
Depth
Climate
Tropical
Resilience
Medium
Vulnerability
31.00/100
Typical Length
20 cm
Depth Zone
demersal

📖 Overview

Small kob (Johnius dorsalis) is a ray-finned fish of the family Sciaenidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 40 cm. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List. Valued as a sport fish.

Scientific Name
Johnius dorsalis
Authority
Peters, 1855
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
40 cm
Trophic Level
3.5
Resilience
Medium
Vulnerability
31.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Small kob is currently being compiled.

🌀 Behaviour

Behavioural data for Small kob is currently being reviewed.

🦐 Diet

Diet information for Small kob is currently being compiled.

🥚 Reproduction

Size at Maturity
13cm TL

🌍 Habitat & Distribution

Marine; brackish; demersal. Tropical South Africa and Madagascar.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.5±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01148 × L3.08 (TL)
Max TL
40cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Tropical
Described By
Peters, 1855

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Sharp-tooth Jewfish · Small Kob
🌍CES smuhoun menší
🇵🇹Portuguese Macujana de Barba

Scientific Synonyms

Scientific Name Author Year Status
Corvina dorsalis Peters 1855 Synonym
Sciaena parva Gilchrist & Thompson 1908 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Small kob ↗
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