california california species found eastern pacific_ocean california mexico typically grows length reddish brown color stripes legs pair enlarged antennae claws interrupted grooves tail characteristic species females carry eggs hatch weeks flat larvae feed juvenile state adults nocturnal migratory living rocks depths feeding sea worms eaten fish sea defend loud noise produced antennae california subject commercial recreational fishery mexico united_states sport fishermen nets commercial fishermen traps description common california large antennae large claws legs california largest species grows centimeters long usually exceed males weigh kilograms record male caught island upper animal brownish red paler bands spots seen legs similar color lighter streaks running length males females ages distinguished position round openings females bases pair males base fifth head closest abdomen mature females small fifth enlarged distribution california found parts pacific_coast length baja california peninsula extending far north california occasional records bay water cold california breed thought adult found arrived years california live rocky depths meters found shallow water including tide pools frequent deeper waters juveniles generally inhabit rocky habitats depth dense plant cover especially surf grass ecology behavior california nocturnal hiding day tips long antennae showing means avoiding predators dawn form maintain dusk night emerge feed sea worms activity important limiting sea populations maintaining healthy communities natural predators california include bony fish california giant sea bass sharks including horn shark leopard shark sea response approaching predator including california produce loud noise stick slip phenomenon akin instrument bases antennae act file edge plate predator close muscular tail order escape predator backwards annual migration enter shallower water spring summer head deeper water fall winter reaching depths great avoid effects winter storms life cycle female california reach sexual maturity length millimeters typically age years males sexually mature years hard parts lost life span mature uncertain thought live years modified reproduction occur crabs females deep pocket store sperm instead transferred directly male female male adorned process straight small mature females windows segments uniquely species span halves windows softer rest thought help male locate correct location place tar like mating eggs carried female hatch carried single female eggs begin coral red develop deep carrying eggs female said eggs ready hatch weeks spawning takes place august larvae hatch called larvae resemble adults instead flat transparent animals long thin sheet paper larvae feed grow stages long series takes months stage state juvenile form adult albeit transparent larvae settle sea floor water near maximum temperature baja california fall diet juveniles varied comprises algae plant available juveniles prefer eat crabs fishery original description noted california food natives california economically important american west_coast sport fishing account half entire catch commercial catch comes traps smaller amounts coming use nets major fishing area west baja california imports mexico united_states twice produced california sport fishing california recreational fishermen allowed catch nets diving free diving come california small numbers states estimates recreational caught half season amounting pounds compared commercial fishermen caught total time game sets number regulations pertaining recreational fishing open season california runs saturday wednesday october wednesday march nets person nets vessel use nets fishing land fisherman limited nets land seven california given day seven possession time carry gauge smaller minimum landing size returned sea immediately minimum size length inches measured rear eye horns end equivalent total body length centimeters inches fish south sport fishing license ocean stamp displayed kept nearby report card season bought filled returned april season ends commercial recreational traps interfered commercial fishing california open season commercial fishing begins wednesday october runs wednesday 15th march commercial fishermen use individually traps dive traps fishing effort greatest beginning permitted season california end season weeks later fishing effort better concentrated areas season fishing efficiency catch unit effort nonetheless decreases season fishing mexico mexico important commercial resource representing fifth valuable fishery worth million species exploited pacific_coast baja california peninsula catch california makes total small quantities fishing rights held local main legal restrictions fishing california mexico minimum landing size prohibition catching females closed season february november fishing prohibited region moves south mexico pacific_coast season mexican fishery california latin american fishery awarded sustainable fishery species classed concern iucn red list names called california number local vernacular names exist including california california marine red united_states mexico preferred common united_states simply described species based material given exact locality known given likely sources places active san_diego specific epithet refers grooves abdominal interrupted species originally placed genus california later transferred new genus long antennae related species california species genus genera names original genus closest relatives species occur caribbean_sea species relationship recovered comparative studies adult morphology molecular sequences genes california differentiated species genus interrupted grooves abdomen species lack grooves grooves span entire body segment
California spiny lobster