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Diadromous 🌡️ Subtropical

Cape halfbeak

Hyporhamphus capensis Thominot, 1886
Max Length
16 cm
Max Weight
Lifespan
Trophic Level
2.1
Depth
Climate
Subtropical
Resilience
High
Vulnerability
10.00/100
Typical Length
Depth Zone
pelagic

📖 Overview

Overview information for Cape halfbeak is currently being compiled by our editorial team.

Scientific Name
Hyporhamphus capensis
Authority
Thominot, 1886
Habitat
Diadromous
Climate
Subtropical
Body Shape
Elongated
Max Length
16 cm
Trophic Level
2.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 14 - 17; Anal spines: 0; Anal soft rays: 15 - 16. : elongated.

🌀 Behaviour

Behavioural data for Cape halfbeak is currently being reviewed.

🦐 Diet

Diet information for Cape halfbeak is currently being compiled.

🥚 Reproduction

Size at Maturity
8cm TL

🌍 Habitat & Distribution

Marine; freshwater; brackish; pelagic-neritic; depth range 0 - ? m. Subtropical South Africa, from Cape of Good Hope east and north to False Bay, Natal and St.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish 🐟 Pelagic
Trophic Level
2.1±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.00257 × L3.09 (TL)
Max TL
16cm
Dorsal Rays
16
Anal Rays
16

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.1
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Thominot, 1886

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Cape halfbeak · Knysna halfbeak
🌍CES polozobánka jihoafrická
🇵🇹Portuguese Meia-agulha-do-cabo

Scientific Synonyms

Scientific Name Author Year Status
Hemiramphus capensis Thominot 1886 Synonym
Hemirhamphus knysnaensis Smith 1933 Synonym
Hyporhamphus knysnaensis Smith 1933 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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