More Reproduction

Olive ridley turtles ( Lepidochelys olivacea ) are the smallest marine turtle, living in warm waters close to shore as adults. Female olive ridleys take part in mass nestings that can involve 150,000...
What are corals? Corals themselves are animals. But tropical reef-building corals have tiny plant-like organisms living in their tissue. The corals couldn’t survive without these microscopic algae–...
In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going mothers everywhere. Especially a 60 year-old albatross named Wisdom. She holds the seabird records for both oldest bird and...
If youngsters get cared for at all, the mother is usually involved. But in fish and a few other groups where eggs are not abandoned, fathers are the primary care providers. Males are sometimes such...
Male northern elephant seals face off on the beach by vocalizing through their extended noses, called proboscises. Every winter, when the seals return to the beach where they were born to breed,...
Every year, at the same place and time, thousands of female Kemp's ridley sea turtles ( Lepidochelys kempii ) come ashore to nest and lay their eggs on the beach. This mass nesting event is known as...
Corals are sedentery animals, so how do they reproduce? One way is sexually through spawning , when the corals release eggs and sperm into the water (often at the same time due to some sort of...
The Laysan albatross ( Phoebastria immutabilis ) breeds mainly in Hawaii and other Pacific islands where male and female pairs will incubate their egg for nine weeks. The pair participates in an...
These newly hatched arrow squid larvae ( Doryteuthis plei ) are each tinier than the head a pin. Free from their yolk sac, they will drift with the current out to sea as zooplankton. Many animals eat...
Over the last few days, a video of hermit crabs stampeding across the rocky shores of St. John in the U.S. Virgin Islands has taken the internet by storm. Where are the hermit crabs going, and why?...
Pomarine Jaegers ( Stercorarius pomarinus ), also known as Pomarine Skuas, are predatory and pirate-like seabirds that will often steal prey from other birds. They spend their entire lives at sea...
The ocean is home to many moms of all shapes and sizes: from charismatic polar bears and dolphins to small fishes and shrimps and more. Learn about some of the diverse parenting habits of marine moms...
by Laura Brodbeck A special type of marine protected area (MPA) called a “no-take zone” bans the removal of marine life from designated areas. At first glance, they seem like a hard sell to fishermen...
Just like other seahorse species, male weedy sea dragons are the ones to get 'pregnant' and give birth to the babies. To show he is ready to hold eggs, the male wrinkles part of his tail. On this...
Every breeding season, some 400,000 Magellanic penguins ( Spheniscus magellanicus ) come to Punta Tombo, Argentina to nest on the shore. They typically lay two eggs in a burrow or under a bush, and...
The corkwing wrasse, or gilt-head, changes color depending on its age, sex, and breeding season. For instance, during the breeding season, males have blue spotted fins and the middle of their scales...
Red Phalaropes ( Phalaropus fulicarius ) are a type of sandpiper that have specialized in feeding in open water. They spin rapidly on the surface to create a small whirlpool, which draws plankton to...
A male mudflat fiddler crab ( Uca rapax ) waves its huge claw to impress females and threaten competitors. Only the males have the large claw. When the tide is high, fiddler crabs retreat to their...
Subscribe to Reproduction