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sea horses are a Genus with some species nocturnal and some diurnal.
no
The whale shark is a filter feeding shark that is very large. A whale shark is not nocturnal. It is, in fact, diurnal.
California sea lions do live in groups.
Diurnal. ;)
CALIFORNIA sea lions live in CALIFORNIA!
The cast of California Sea Lions - 2004 includes: Sean Astin as Narrator Fiona Huxley as Narrator
California sea lions prey on anchovies, herring, Pacific whiting, rockfish, hake, salmon, squid, and octopuses
Humans - The California sea lion is the sea lion seen in animal shows and circuses.
California sea lions prey on anchovies, herring, Pacific whiting, rockfish, hake, salmon, squid, and octopuses
Most sea sponges do not hunt, do not sleep, and do not move to catch prey. They are neither nocturnal, diurnal, or crepuscular. The few species that are carnivorous trap prey with sticky threads or spicules, and tend to live in darkened caves where they feed around the clock.
White sharks hunt and eat sea lions. Orcas also hunt and eat them, but sometimes they are teaching their young, and kill them without eating them.