Hardhead sea catfish
📖 Overview
Adults inhabit continental waters and enter estuaries. Found in turbid waters over muddy bottoms. Males incubate eggs in the mouth . Commonly captured from catwalks, bridges and piers, particularly in passes and inland waterways. Edible, but generally not consumed .
🔬 Taxonomy
🐟 Physical Description
This species is distinguished from its congeners by the following characters: gill rakers on the first and second gill arches 29-32; osseous medial groove present; fleshy medial groove of neurocranium conspicuous and long, always surpassing the posterior margin of eyes; lateral margin of sphenotic notched, narrower medially than anteriorly; pterotic lateral margin smoothly convex; lateral margin of sphenotic notched, narrower medially than anteriorly; mouth 9.1-11.5% SL; close anterior nostrils 4.6-6.4% SL, close posterior nostrils 4.2-7.1% SL; mesethmoid median portion narrow, mesethmoid medial notch narrow and deep; gill rakers on the first gill arch 13–15, rarely 16; external posterior branch of lateral ethmoid columnar and thin; fenestra delimited by mesethmoid and lateral ethmoid conspicuous .Cross section: oval.
🌀 Behaviour
Behavioural data for Hardhead sea catfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
Males carry the eggs in the mouth .
🌍 Habitat & Distribution
Marine; brackish; reef-associated; anadromous . Subtropical; 43°N - 18°N, 98°W - 68°W
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
⚠️ Venom Profile
- pain
- oedema
- rare systemic effects
Wound care, analgesia.
References: Compiled from Bhide (2018), Halstead et al. (1988) and family-specific envenomation literature
🎣 Angling Guide
- medium-heavy 7ft spinning rod
- 30-50 lb braid
- fluorocarbon leader
- grass flats
- oyster bars
- marsh drains
- deeper channel edges
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Arius felis | Linnaeus | 1766 | Synonym |
| Arius milberti | Valenciennes | 1840 | Synonym |
| Galeichthys felis | Linnaeus | 1766 | Synonym |
| Galeichthys guentheri | Regan | 1907 | Synonym |
| Galeichthys milberti | Valenciennes | 1840 | Synonym |
| Hexanematichthys felis | Linnaeus | 1766 | Synonym |
| Sciades felis | Linnaeus | 1766 | Synonym |
| Silurus felis | Linnaeus | 1766 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 189 records indexed .
👥 Community & Contribute
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