The marine ecosystem of the Golfo Dulce teams with life and includes marine mammals, reptiles, fish, sharks, and invertebrates.

Marine Mammals
The Golfo Dulce has several species of whales that visit the area and use it as a breeding ground and nursery for their respective calves.
The area is an ideal breeding ground due to the warm water temperature, which averages 84.7 degrees Fahrenheit, paired with an abundance of small fish and plankton which these species feed off of.
Species of whale that frequent this area include: Humpback Whales, Spotted Dolphins, Bottle Nose Dolphins, and Orcas.

Reptiles
Of the marine reptiles that live within the gulf, sea turtles are the most prominent with several species such as the Pacific Green Sea Turtle, Olive Ridley, Hawksbill, and Pacific Leatherback.
The sea turtles in the area are drawn by the warm water temperature and the presence of jellyfish and marine plants which the sea turtles feed off of.
Along with sea turtles; yellow bellied sea snakes, saltwater caimans, and saltwater crocodiles also inhabit the area.

Sharks
Several species of sharks live within the gulf; these species include the Whale Shark, Scalloped Hammer-Head, and Rays.
Along with sharks, other large fish such as Needle Fish, Dorados, and Marlins also live in the gulf.
While Needle Fish are protected, Marlins and Dorados are popular targets for sport fishing.

Invertebrates
Numerous invertebrates live in the Golfo Dulce; these include jellyfish, Portuguese Man-O-Wars, sea stars, coral reefs, crabs, and sea mollusks.
The marine ecosystem of the Golfo Dulce teams with life and includes marine mammals, reptiles, fish, sharks, and invertebrates.
Marine Mammals
The Golfo Dulce has several species of whales that visit the area and use it as a breeding ground and nursery for their respective calves. The area is an ideal breeding ground due to the warm water temperature, which averages 84.7 degrees Fahrenheit, paired with an abundance of small fish and plankton which these species feed off of. Species of whale that frequent this area include: Humpback Whales, Spotted Dolphins, Bottle Nose Dolphins, and Orcas.
Reptiles
Of the marine reptiles that live within the gulf, sea turtles are the most prominent with several species such as the Pacific Green Sea Turtle, Olive Ridley, Hawksbill, and Pacific Leatherback. The sea turtles in the area are drawn by the warm water temperature and the presence of jellyfish and marine plants which the sea turtles feed off of. Along with sea turtles; yellow bellied sea snakes, saltwater caimans, and saltwater crocodiles also inhabit the area.
Sharks
Several species of sharks live within the gulf; these species include the Whale Shark, Scalloped Hammer-Head, and Rays. Along with sharks, other large fish such as Needle Fish, Dorados, and Marlins also live in the gulf. While Needle Fish are protected, Marlins and Dorados are popular targets for sport fishing.
Invertebrates
Numerous invertebrates live in the Golfo Dulce; these include jellyfish, Portuguese Man-O-Wars, sea stars, coral reefs, crabs, and sea mollusks.
Golfo Dulce, Costa Rica