Search results for Marine Invertebrate Behavior

Acorn Barnacle extends to feed in ocean current, amid colony of Corynactis anemones.
Species: Acorn barnacle, Strawberry anemone, Corynactis californica, Megabalanus californicus
Location: San Diego, California
Image ID: 33455  

Acorn Barnacle extends to feed in ocean current, amid colony of Corynactis anemones.
Species: Acorn barnacle, Strawberry anemone, Corynactis californica, Megabalanus californicus
Location: San Diego, California
Image ID: 33473  

Spiny brittle stars (starfish) detail.
Species: Brittle sea star, Ophiothrix spiculata
Image ID: 35074  

Spiny brittle stars (starfish) detail.
Species: Brittle sea star, Ophiothrix spiculata
Image ID: 35077  

Spiny brittle stars (starfish) detail.
Species: Brittle sea star, Ophiothrix spiculata
Image ID: 35079  

Salp (pelagic tunicate) reproduction, open ocean.
Species: Salp, Cyclosalpa affinis
Location: San Diego, California
Image ID: 01263  

Squid eggs, La Jolla Canyon.
Species: Common squid, Loligo opalescens
Location: La Jolla, California
Image ID: 01972  

Proliferating anemone with attached juveniles, growing on kelp stipe.
Species: Proliferating anemone, Epiactis prolifera
Location: Monterey, California
Image ID: 00573  

Squid mating.
Species: Common squid, Loligo opalescens
Location: La Jolla, California
Image ID: 02548  

Simnia and egg cluster on gorgonian.
Species: Simnia, Delonovolva aequalis
Location: Anacapa Island, California
Image ID: 02556  

Squid egg clusters on sand.
Species: Common squid, Loligo opalescens
Location: La Jolla, California
Image ID: 05407  

A cluster of vibrantly-colored strawberry anemones (club-tipped anemone, more correctly a corallimorph) polyps clings to the rocky reef.
Species: Strawberry anemone, Corynactis californica
Location: Santa Barbara Island, California
Image ID: 10168  

Acorn barnacle feeding amidst strawberry anemones, Monterey Peninsula.
Species: Acorn barnacle, Corynactis californica, Megabalanus californicus
Location: Monterey, California
Image ID: 07023  

Strawberry anemones (club-tipped anemones, more correctly corallimorphs).
Species: Strawberry anemone, Corynactis californica
Location: Scripps Canyon, La Jolla, California
Image ID: 02487  

Simnia and egg cluster on red gorgonian.
Species: Red gorgonian, Simnia, Delonovolva aequalis, Leptogorgia chilensis, Lophogorgia chilensis
Location: Anacapa Island, California
Image ID: 01983  

Krill and squid school at the ocean surface, moments before blue and fin whales rise to the surface to feed. The krill is likely Euphausia pacifica, the squid are likely Loligo opalescens. A thin cloud of pink krill gathers at the ocean surface, where it is likely to be preyed upon by sharks, fish, birds and whales.
Species: Common squid, Krill, Euphausia pacifica, Loligo opalescens
Location: San Diego, California
Image ID: 27152  

Spiny brittle stars (starfish).
Species: Brittle sea star, Ophiothrix spiculata
Image ID: 13994  

Spiny brittle stars (starfish).
Species: Brittle sea star, Ophiothrix spiculata
Image ID: 13995  

Squid egg casings. Each casing housings hundreds of tiny squid eggs. After the female squid has planted her egg casings to the sandy bottom, she will die.
Species: Common squid, Loligo opalescens
Image ID: 14931  

A mass of spiny brittle stars.
Species: Brittle sea star, Ophiothrix spiculata
Image ID: 14947  

A mass of spiny brittle stars.
Species: Brittle sea star, Ophiothrix spiculata
Image ID: 14948  

Horn shark eating opalescent squid eggs, Loligo opalescens.
Species: Horn shark, Heterodontus francisci
Location: La Jolla, California
Image ID: 01069  

Senorita feeding on bryozoans on kelp.
Species: Senorita, Macrocystis pyrifera, Oxyjulis californica
Location: San Clemente Island, California
Image ID: 01292  

Squid mating and laying eggs, eggs on sandy bottom.
Species: Common squid, Loligo opalescens
Location: La Jolla, California
Image ID: 02547  

Krill, Baja California (Pacific Ocean).
Species: Krill, Thysanoessa spinifera
Image ID: 03117  

Salp (pelagic tunicate) reproduction, open ocean.
Species: Salp, Cyclosalpa affinis
Location: San Diego, California
Image ID: 05338  

Purple sea urchin, spawning, releasing gametes into the ocean currents. Once adult purple sea urchins have reached sexual maturity, females and males release gametes into the ocean, a mode of external fertilization. The fertilized egg later settles, and begins growing into an adult.
Species: Purple urchin, Strongylocentrotus purpuratus
Image ID: 05346  

Squid, mating and laying eggs.
Species: Common squid, Loligo opalescens
Location: La Jolla, California
Image ID: 05379  

Salp (pelagic tunicate), open ocean.
Species: Salp, Cyclosalpa affinis
Location: San Diego, California
Image ID: 07008  

Simnia and egg cluster on gorgonian.
Species: Simnia, Delonovolva aequalis
Location: Anacapa Island, California
Image ID: 07025