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Sebastes melanosema

(semaphore rockfish)

Overview

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Red rockfishes with strong head spines.

Interesting Facts

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Common Names

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Click on the language to view common names.

Common Names in English:

rockfish, semaphore rockfish

Common Names in Mandarin Chinese:

黑标平鲉, 黑標平鮋

Common Names in Spanish:

Rocote Sem, rocote semáforo, rocote semáforo

Description

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Physical Description

Species Sebastes melanosema

Body color: Red w/ lighter blotches on back; lateral line in clear red zone; dorsal- and anal-fin membranes red w/ black spots ; spinous dorsal membranes w/ black edge ; caudal-fin membranes red; pectoral-fin membrane w/ black midsection, otherwise red. Peritoneum color: dark. Shape between eyes: concave . Counts: D:XIII,11-12, Ar:6, P1 :17-18, GR:34-37, LLp:34-43, LLs:?-?, V:26

Size/Age/Growth

Maximum length : 8 in (20 cm).

Habitat

Probably occurs on craggy bottom [1]. Common depth: 75-100 fm (137-183 m ). Maximum depth: 100 fm (183 m).

Biome: Marine .

Biology

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Reproduction

Viviparous[2].

Taxonomy

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Notes

Name Status: Accepted Name .

Last scrutiny: Data last modified by FishBase 08-Jul-1994

Similar Species

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Splitnose RF and Aurora RF - lachrymal spines pointed posteriorly; margins of spinous dorsal-fin membranes reddish (black in Semaphore RF).

Members of the genus Sebastes

ZipcodeZoo has pages for 100 species and subspecies in this genus:

S. aleutianus (Rougheye Rockfish) · S. alutus (Pacific Ocean Perch) · S. atrorubens (Roundhead Rockfish) · S. atrovirens (Kelp Rockfish) · S. auriculatus (Brown Rockfish) · S. aurora (Aurora Rockfish) · S. babcocki (Redbanded Rockfish) · S. bibroni (Silvergray Rockfish) · S. borealis (Black-Throated Rock-Fish) · S. brevispinis (Silvergray Rockfish) · S. capensis (Cape Scorpionfish) · S. carnatus (Gopher Rockfish) · S. caurinus (Copper Rockfish) · S. chlorostictus (Greenspotted Rockfish) · S. chrysomelas (Black- And- Yellow Rockfish) · S. ciliatus (Light Dusky Rockfish) · S. constellatus (Starry Rockfish) · S. cortezi (Cortez Rockfish) · S. crameri (Blackblotched Rockfish) · S. dalli (Calico Rockfish) · S. dallii (Calico Rockfish) · S. diploproa (Lobe-Jawed Rockfish) · S. elongatus (Greenstriped Rockfish) · S. emphaeus (Puget Sound Rockfish) · S. ensifer (Swordspine Rockfish) · S. entomelas (Rocky Mountain Whitefish) · S. eos (Pink Rockfish) · S. exsul (Buccaneer Rockfish) · S. faciatus (Acadian Rockfish) · S. fasciatus (Labrador Redfish) · S. flavidus (Yellowtail Rockfish) · S. gilli (Bronzespotted Rockfish) · S. glaucus (Blue Rockfish) · S. goodei (Chilipepper Rockfish) · S. helvomaculatus (Rosethorn Rockfish) · S. hopkinsi (Squarespot Rockfish) · S. inermis (Dark-Banded Rockfish) · S. jordani (Shortbelly Rockfish) · S. lentiginosus (Freckled Rock-Cod) · S. levis (Cow Rockfish) · S. macdonaldi (Mexican Rockfish) · S. macrocephalus (Large-Headed Scorpionfish) · S. macrochir (Short-Spined Thorny-Head) · S. maliger (Orange-Spotted Rock-Fish) · S. marinus (Bream) · S. marinus marinus (Bream) · S. marmoratus (Marbled Rockfish) · S. melanops (Black Rockfish) · S. melanosema (Semaphore Rockfish) · S. melanostomus (Rocky Mountain Whitefish) · S. mentella (Deep Water Redfish) · S. miniatus (Vermillion Rockfish) · S. moseri (Whitespeckled Rockfish) · S. mystinus (Blue Rockfish) · S. nebulosus (Yellowstripe Rockfish) · S. nematophthalmus (Spinythroat Scorpionfish) · S. nigrocinctus (Black-Banded Rockfish) · S. nigropunctatus (St. Helena Deepwater Scorpionfish) · S. norvegicus (Golden Redfish) · S. notius (Guadalupe Rockfish) · S. oculata (Blackbelly Rosefish) · S. oculatus (Blackbelly Rosefish) · S. ovalis (Speckled Rockfish) · S. pachycephalus (Chmidt) · S. paucispinis (Boccacio Rockfish) · S. paucispinus (Boccacio Rockfish) · S. peduncularis (Gulf Rockfish) · S. percoides (Red Gurnard Scorpionfish) · S. phillipsi (Chameleon Rockfish) · S. pinniger (Orange Rockfish) · S. polyspinis (Northern Rockfish) · S. proriger (Redstripe Rockfish) · S. rastrelliger (Grass Rockfish) · S. reedi (Yellowmouth Rockfish) · S. rosaceus (Rosy Rockfish) · S. rosenblatti (Greenblotched Rockfish) · S. ruberrimus (Turkey-Red Rockfish) · S. rubrivinctus (Flag Rockfish) · S. rufinanus (Dwarf- Red Rockfish) · S. rufus (Bank Rockfish) · S. saxicola (Olive-Backed Rockfish) · S. scaber (Pygmy Scorpionfish) · S. schlegelii (Schlegel's Black Rockfish) · S. semicinctus (Halfbanded Rockfish) · S. serranoides (Olive Rockfish) · S. serriceps (Treefish) · S. serrulatus (Pygmy Lionfish) · S. simulator (Pinkrose Rockfish) · S. sinensis (Blackmouth Rockfish) · S. spinorbis (Spinyeye Rockfish) · S. thetidis (Rough Gurnard Perch) · S. thompsoni (Goldeye Rockfish) · S. umbrosus (Honeycomb Rock-Cod) · S. variabilis (Dusky Rockfish) · S. variegatus (Harlequin Rockfish) · S. varispinis (Hidden Rockfish) · S. viviparus (Lesser Redfish) · S. vulpes (Fox Jacopever) · S. wilsoni (Wilson´s Rock-Fish) · S. zacentrus (Sharpchin Rockfish)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal March 01, 2008:

Identifiers

Footnotes

  1. Eschmeyer, W.N., E.S. Herald and H. Hammann (1983). A field guide to Pacific coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 336 p. [back]
  2. Wourms, J.P. (1991). Reproduction and development of Sebastes in the context of the evolution of piscine viviparity. Environ. Biol. Fish. 30:111-126. [back]
Last Revised: 7/15/2012