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Rainforest InformationCosta Rican Marine Life

16 September, 2017by Billy Johnson

Costa Rican Marine Life


Their habitat can be aquatic or terrestrial, they reproduce by eggs, have four legs, their skin is naked and wet, they feed on insects. They are classified in Anurans (toads and frogs), Urodelos (salamanders) and Nicknames.

Costa Rica is home to about 175 amphibians, 85% of which are frogs. Frogs in Costa Rica have interesting ways to find water without fish to raise their little fish in. Of course, they will eat tadpoles and eggs. poisonous frogs lay their eggs in puddles of water in bromeliads. Other methods include finding ponds before laying eggs, and laying eggs on wet soil.

Notable species of frogs in Costa Rica are red-eyed tree frogs, a few species of poisonous frogs, semi-transparent glass frogs. Some other notable species of toads are the ten species of Bufo. In addition to species of frogs, approximately 40 species of salamanders without lungs and two species of cecilia are found in the country, rarely seen and little known.

Jaco beach best tours
Jaco beach best tours

Jaco beach best tours


Sharks can be found in the deep waters when diving. Some of the sharks you may encounter are the hammerhead, the bull, nurse and white tip sharks. Tropical fish such as the Cortez Angelfish, Butterfly fish, Snappers, Horse-eyed Jacks, Costa Rica’s Jewfish, Parrot Fish, Puffer Fish, and schools of sardines inhabit Costa Rican waters. The more often you dive, the more you will be able to see other various sea creatures like sea horses, eels and rays.

Marine Mammals

Dolphins, from the most common to bottle-nosed or pacific spotted dolphins can be found racing through the water waves. Along with dolphins, it isn’t uncommon to see orcas playing from the shoreline. Other whales you may be able to spot include Humpbacks, Blue Whales, Beaked Whales and Pilot Whales depending on the season.

Marine Reptiles

When diving into the waters of Costa Rica, three possible sea turtles you will find are the Green Sea Turtles, Olive Ridley Sea Turtles and the Leatherback Sea Turtles. Leatherbacks are the largest of all turtles. An encounter with these majestic creatures is very safe.

Sea snakes, on the other hand, will mesmerize you with their sea dance, but are deemed venomous. While they are not particularly aggressive, they do have a temper and should be handled with caution, especially since they can be found in the shallow waters when diving. One of the most commonly seen is the Yellow-bellied Sea Snake.


There are over 39 sea mollusks found in the waters of Costa Rica. Some common names of these sea slugs include, but are not limited to, the Babosa Marina, Nudibranquio, Navanx enigmatico, and Liebre marina. They all vary in shape and color, and they add a spectacle of colors and textures on the bottom of the ocean. In addition to sea slugs, sea snails can also be found. Clams like the Burgao or sea snail like the Trifora, Oliva or Caracol Marino comprise the 33 species in this category. There are other sea mollusk that are included in the family of sea shells, terrestrial snails and chitons that can also be found on the bottom of the shore lines.

Billy Johnson

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Costa Rican Marine Life

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