Brown rockfish
📖 Overview
A sedentary rockfish found in shallow water and bays , among sheltering weed-covered rocks or around pilings . Viviparous, with planktonic larvae and pelagic juveniles . Fin spines are sharp and mildly venomous and can cause annoying wounds . Small live specimens make excellent bait for large lingcod . Flesh is firm and tasty, but rarely found in markets .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 13; Dorsal soft rays (total): 12 - 15; Anal spines: 3; Anal soft rays: 5 - 8; Vertebrae: 26 - 27. Head spines strong - nasal, preocular, postocular, tympanic, coronal (may be absent), parietal, and nuchal (may be absent) spines present, supraoculars absent . Interorbital space flat to barely convex; symphyseal knob weak or absent . Caudal fin rounded . Light brown, mottled with one or two shades of darker brown, vague dark bars dorsally, dark brown blotch on upper part of gill cover; fins and underside of throat and lower jaw pinkish . Branchiostegal rays: 7 .
🌀 Behaviour
Behavioural data for Brown rockfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
Viviparous .
🌍 Habitat & Distribution
Marine; demersal; depth range 0 - 128 m . Temperate; ? - 15°C ; 62°N - 27°N, 155°W - 113°W central Baja California, Mexico.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
⚠️ Venom Profile
- immediate intense pain
- swelling
- erythema
- occasional nausea and weakness
Analgesia; wound care; tetanus prophylaxis; severe cases may require monitoring for systemic effects.
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.
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | brown rockfish |
| 🇫🇷French | sébaste brun |
| 🇪🇸Spanish | rocote moreno |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Sebastodes auriculatus | Girard | 1854 | Synonym |
📚 Scientific References
13 publications cited
- Froese, R. and Pauly, D. (Editors) (2024). FishBase. World Wide Web electronic publication. FishBase Consortium. Link ↗
- IUCN (2024). The IUCN Red List of Threatened Species. Version 2024-1. International Union for Conservation of Nature. Link ↗
- GBIF Secretariat (2024). GBIF Backbone Taxonomy. Checklist dataset. Global Biodiversity Information Facility. DOI ↗
- USDA Agricultural Research Service (2024). FoodData Central. USDA National Nutrient Database. United States Department of Agriculture. Link ↗
- FAO Fisheries and Aquaculture Department (2024). The State of World Fisheries and Aquaculture. Food and Agriculture Organization of the United Nations. Link ↗
- Kaschner, K., Kesner-Reyes, K., Garilao, C., Segschneider, J., Rius-Barile, J., Rees, T., Froese, R. (2024). AquaMaps: Predicted range maps for aquatic species. AquaMaps. Link ↗
- Nelson, J.S., Grande, T.C., Wilson, M.V.H. (2016). Fishes of the World. 5th edition. John Wiley & Sons.
- Helfman, G.S., Collette, B.B., Facey, D.E., Bowen, B.W. (2009). The Diversity of Fishes: Biology, Evolution, and Ecology. 2nd edition. Wiley-Blackwell.
- Froese, R. (2006). Cube law, condition factor and weight-length relationships: history, meta-analysis and recommendations. Journal of Applied Ichthyology, 22(4), 241-253. DOI ↗
- Halstead, B.W., Auerbach, P.S., Campbell, D. (1988). A Colour Atlas of Dangerous Marine Animals. Wolfe Medical Publications. Wolfe Medical.
- Balon, E.K. (1975). Reproductive Guilds of Fishes: A Proposal and Definition. Journal of the Fisheries Research Board of Canada, 32(6), 821-864.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 18 records indexed .
👥 Community & Contribute
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