Fish identification archive / Kemp’s Ridley Sea Turtle

Kemp’s Ridley Sea Turtle

Lepidochelys kempii

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Kemp’s Ridley Sea Turtle (Lepidochelys kempii). A gray-olive adult Kemp’s ridley sea turtle with a broad, nearly circular shell, five lateral scutes per side, triangular head and four flippers.
Original identification illustration of Kemp’s Ridley Sea Turtle. Features may vary.

Fun facts for your next surface interval

  • Day shift: kemp’s ridleys routinely nest during daylight, unlike most sea turtles.
  • A beach arrival party: their synchronized nesting gatherings are called arribadas, meaning arrivals.
  • Florida on the current: some youngsters travel around Florida into the Atlantic with ocean currents.

Florida and local context

Florida waters, especially the Gulf coast: Florida waters, principally Gulf; uncommon local encounter

Documented regional presence is not a guarantee of an encounter or a measure of how common this animal is at your dive site.

How to recognize this animal

Adults have a gray-green upper shell and pale yellowish underside. The carapace can be nearly as wide as it is long, creating a rounder outline than most other Florida sea turtles. A triangular head ends in a slightly hooked beak. Hatchlings are dark on both surfaces, so the pale underside is primarily an adult identification feature.

Size and life stages

Kemp's ridley is the smallest living sea-turtle species. The National Park Service gives adult carapace length of 60–70 centimeters, about 24–28 inches, and weight of 70–100 pounds. This is shell length, not total distance from nose to hind flippers. Size alone cannot distinguish an adult ridley from a juvenile of a larger species.

Habitat and where to look

Adults chiefly use shallow coastal waters over sandy or muddy bottoms, where crabs and other prey are available. Young animals spend an earlier drifting stage in offshore Sargassum communities. Florida's Gulf waters are part of this feeding range. A ridley does not need coral cover to belong in a marine identification guide; soft-bottom habitats are central to its ecology.

Range and local context

The species is centered on the Gulf and also occurs along the U.S. Atlantic coast. NOAA explicitly includes Florida and documents movements into southern Florida feeding grounds. This supports a Florida-wide entry, especially for Gulf coastal habitats. It does not establish a regular Palm Beach reef occurrence, and the rarity or frequency at any individual local dive site remains unquantified here.

What is on the menu?

Crabs become preferred food after young ridleys move into coastal waters. During the offshore stage, small animals and plants associated with floating Sargassum provide food and shelter. The broad adult feeding pattern therefore differs from that of a sponge-specialist hawksbill or a mainly seagrass-eating green turtle. Observing bottom foraging is useful context, but behavior alone cannot identify the species.

Daily habits and behavior

Currents can carry youngsters out of the Gulf, around Florida and into the Atlantic. After the oceanic stage they recruit to nearshore habitats, and some adults repeatedly use particular feeding areas. Female migrations link Mexican and south Texas nesting beaches with feeding grounds across the Gulf. NOAA notes that male movement strategies differ; not every individual follows one uniform annual route.

Mating and the next generation

Kemp's ridleys are famous for arribadas, synchronized nesting events involving many females, principally in northeastern Mexico. Unlike most sea turtles, they routinely nest in daylight. Females typically lay two or three clutches, each with about 100 eggs, during a season. The exact trigger for mass nesting remains unresolved; wind, lunar cycles and other explanations should not be presented as settled facts.

Look-alikes and identification traps

A loggerhead has a more massive head and generally a more heart-shaped shell. Greens have a less rounded outline and different head-scale arrangement. The related olive ridley also has a rounded shell, so an unusual ridley record deserves expert review rather than identification from geography alone. Photograph the full shell and head without approaching or restraining the animal.

Observe without disturbing

Keep clear of a feeding or surfacing turtle and do not handle it to inspect shell plates. Fishing-gear entanglement is a major threat, so remove discarded line safely when no animal is attached and dispose of it properly. For a hooked, stranded or entangled turtle, contact trained wildlife responders. Daytime nesting is not an invitation to surround a female.

Harvest, protection and eating safety

Protected: no recreational take

Florida and applicable federal protection apply year-round: no ordinary recreational harvest season, open-area exception or spearing allowance. Nesting, breeding or viewing seasons do not authorize take. This is not a lawful recreational food target.

This color is a qualified summary, not permission to collect or a guarantee that a particular catch is safe to eat. Read the current rules and health guidance below.

Endangered; protected, no recreational take

Can it be hunted or harvested?

Kemp’s Ridley Sea Turtle is not a recreational harvest target. NOAA lists this species as endangered under the federal Endangered Species Act. Florida’s Marine Turtle Protection Act also protects turtles, eggs and nests. Recreational taking, possession and disturbance are prohibited; scientific or conservation permits are separate authorizations, not ordinary fishing privileges.

Florida seasons and areas

There is no Florida recreational harvest season, open area, bag limit or edible-size exception for this protected animal. Protection applies year-round in Florida and under applicable federal law. Nesting months describe reproduction, not a legal harvest window. Park, refuge and beach restrictions can add further protections.

Can it be speared?

No. Spearing, shooting, injuring or killing this protected sea turtle is not an authorized recreational activity. An otherwise open spearfishing area does not create an exception for the animal.

Is it safe to eat?

Not a lawful recreational food target. This guide provides no assurance that its meat, eggs or other tissues are safe to eat; protected status and the absence of a named consumption advisory are not a food-safety assessment.

Before you act: This recreational overview is not permission to collect or spear at your dive site. Confirm the species, date, management area, state or federal waters, gear, licenses and current local closures. Identification artwork cannot establish an identification or guarantee seafood safety.

Official rules and health guidance

Reviewed 2026-11-10. Rules and advisories can change; check the linked authorities before harvesting or eating.

Sources and review

Reviewed 2026-11-10.

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