halfbanded rockfish
Sebastes semicinctus
Open-sea, flat-bottom rockfish of the Pacific, reaching 25 cm, feeding on krill and other plankton animals.
Also called: garoupa-de-meia-faixa, rocote inspector, halfbanded rockfish
- maximum
- 25 cm
- depth
- 58–402 m
who is the halfbanded rockfish
Rockfish of the family Sebastidae, genus Sebastes. It grows to 25 cm and lives in open sea, over flat bottoms, 58 to 402 m deep, from Point Pinos, central California, to central Baja California, Mexico. Adults stay away from reefs and feed on krill and other zooplankton animals. The species is viviparous. It enters commercial fishing and appears in public aquariums.
Essential profile. Identification, where it occurs and rules, with data from FishBase and the cited regulations. Season, time of day, technique and bait are added once we have a good source for the halfbanded rockfish.
fun facts
- Individuals up to 15 years old have been recorded.
identification
Small rockfish, reaching 25 cm. It lives in open sea, over flat bottoms, 58 to 402 m deep, which sets it apart from reef rockfishes. The common name refers to incomplete bands on the body, which help identify it.
Loading the next 7 days…
Each card shows the day's index (0 to 100) and, below it, a strip with the index for each hour, from 0h to 23h. from poor to excellent.
Essential profile: the index uses a general fish model (weather, sun, moon and tide), without a season or time of day specific to this species.
where found
Lives in the eastern Pacific, from Point Pinos, central California, to central Baja California, Mexico. In Latin America, it occurs only in Mexico.
Habitat: Open sea, over flat bottoms, 58 to 402 m.
rules for the halfbanded rockfish
Summary of the regulations we found, with the source for each. Rules change; before keeping or transporting fish, check with the state environmental agency.
We found no species-specific rule beyond the region's general rules.
catch and release
catch and release Releasing the fish alive, quickly and with a wet hand. During a closed season it isn't always allowed: what the regulation says applies.
Bottom fish: it suffers barotrauma when brought up from depth. Release it carefully and quickly.
how much it weighs without taking it out of the water
Length-weight relationship W = a·Lb (a = 0.00676, b = 2.99; FishBase (relação peso-comprimento bayesiana, estimativa da própria espécie)). It's an average: a fat or lean fish can vary by 10% to 20%.
estimated weight
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sources and references
Essential profile: size, length-weight, depth, countries and conservation come from FishBase and the cited regulations, and the texts were written from those sources. Season, time of day, sensitivities, technique and baits and lures are not included yet, because we did not find a good source for this species.
- scientific FishBase: Sebastes semicinctus (ficha da espécie)Size, length-weight, depth, habitat, distribution, biology, and IUCN status. Page checked on Oct 13, 2026.
- scientific FishBase: nomes populares de Sebastes semicinctusNames by country and language.