Tarpon Fishing in Puerto Rico

Tarpon is a large fish of the genus Megalops; one species is native to the Atlantic, and the other to the Indo-Pacific Oceans. They are the only members of the family Megalopidae.  They are abundant year round in Puerto Rico and believed to be resident Tarpons.  That theory departs from the fact that it is uncommon to see runs of Tarpons in our waters with the behavior where they tend to come up to the surface in schools to actually breath air to gain energy from a migration patterns since our drop offs are so close to shore (1 to 1.5 miles from shore) making it easy for them to get to and come from their much needed offshore warm and isolated waters for breeding.  So, no waiting time for this guys!  In other words, they go out and do their thing and come back home in a short period of time and don't get me wrong, you will see them rolling around our fishing grounds individually. This ranks Puerto Rico Tarpon Fishing one of the top places in the world to target them and actually have the need chances to catch them and even the first one ever, as most of our guests from all over the world have experience with us...

Species and habitats

The two species of tarpon are Megalops atlanticus (Atlantic tarpon) and the Megalops cyprinoides (Indo-Pacific tarpon). M. atlanticus is found on the western Atlantic coast from Virginia to Brazil, throughout the coast of the Gulf of Mexico, and throughout the Caribbean. Tarpons are also found along the eastern Atlantic coast from Senegal to South Angola.[2] M. cyprinoides is found along the eastern African coast, throughout southeast Asia, Japan, Tahiti, and Australia. Both species are found in both saltwater and freshwater habitats, usually ascending rivers to access freshwater marshes.[3] They are able to survive in brackish water, waters of varying pH, and habitats with low dissolved O
2 content due to their swim bladders, which they use primarily to breathe. They are also able to rise to the surface and take gulps of air, which gives them a short burst of energy. The habitats of tarpons vary greatly with their developmental stages. Stage-one larvae are usually found in clear, warm, oceanic waters, relatively close to the surface. Stage-two and -three larvae are found in salt marshes, tidal pools, creeks, and rivers. The habitats are characteristically warm, shallow, dark bodies of water with sandy mud bottoms. Tarpons commonly ascend rivers into freshwater. As they progress from the juvenile stage to adulthood, they move back to the open waters of the ocean, though many remain in freshwater habitats.

Physical characteristics

Tarpon grow to about 4–8 ft long and weigh 60–280 lbs. They have dorsal and anal soft rays and have bluish or greenish backs. Tarpons possess shiny, silvery scales that cover most of their bodies, excluding the head. They have large eyes with adipose eyelids and broad mouths with prominent lower jaws that jut out farther than the rest of the face. 

Biology and behavior 

Tarpon jumps up out of the water about four times when hooked making them very challenging to catch. These behaviors can also be damaging to anglers before they are hooked as they can also jump without warning. Source?

Reproduction and life cycle 

Tarpons breed offshore in warm, isolated areas. Females have high fecundity and can lay up to 12 million eggs at once. They reach sexual maturity once they are about 75–125 cm in length. Spawning usually occurs in late spring to early summer.[4] Their three distinct levels of development usually occur in varying habitats. The first stage, the leptocephalus stage, or stage one, is completed after 20–30 days. It takes place in clear, warm oceanic waters, usually within 10–20 m of the surface. The leptocephalus shrinks as it develops into a larva; the most shrunken larva, stage two, develops by day 70. This is due to a negative growth phase followed by a sluggish growth phase. By day 70, the juvenile growth phase, stage three, begins and the fish begins to rapidly grow until it reaches sexual maturity.


Stage-one developing Megalops do not forage for food, but instead absorb nutrients from seawater using integumentary absorption. Stage-two and -three juveniles feed primarily on zooplankton, but also feed on insects and small fish. As they progress in juvenile development, especially those developing in freshwater environments, their consumption of insects, fish, crabs, and grass shrimp increases. Adults are strictly carnivorous and feed on midwater prey; they swallow their food whole and hunt nocturnally.


The main predators of Megalops during stage one and early stage-two development are other fish, depending on their size. Juveniles are subject to predation by other juvenile Megalops and piscivorous birds. They are especially vulnerable to birds when they come to the surface for air, due to the rolling manner in which they move to take in air, as well as the silver scales lining their sides.[7] Adults occasionally fall prey to sharks, porpoises, crocodiles and alligators.

Swim bladder 

One of the unique features of Megalops is the swim bladder, which functions as a respiratory pseudo-organ. These gas structures can be used for buoyancy, as an accessory respiratory organ, or both. In Megalops, this unpaired air-holding structure arises dorsally from the posterior pharynx. Megalops uses the swim bladder as a respiratory organ and the respiratory surface is coated with blood capillaries with a thin epithelium over the top. This is the basis of the alveolar tissue found in the swim bladder, and is believed to be one of the primary methods by which Megalops “breathes”. These fish are obligate air breathers, and if they are not allowed to access the surface, they will die. The exchange of gas occurs at the surface through a rolling motion that is commonly associated with Megalops sightings. This “breathing” is believed to be mediated by visual cues, and the frequency of breathing is inversely correlated to the dissolved O
2 content of the water in which they live.

Megalops and humans

Megalops is considered one of the great saltwater game fishes. They are prized not only because of their great size, but also because of the fight they put up and their spectacular leaping ability. They are bony fish and their meat is not desirable, so most are released after they are caught. Numerous tournaments around the year are focused on catching tarpon.

Geographical distribution and migration

Since tarpon is not commercially valuable as a food fish, very little has been documented concerning their geographical distribution and migrations. They inhabit both sides of the Atlantic Ocean, and their range in the eastern Atlantic has been reliably established from Senegal to the Congo. Tarpons inhabiting the western Atlantic are principally found to populate warmer coastal waters primarily in the Gulf of Mexico, Florida, and the West Indies. Nonetheless, tarpons are regularly caught by anglers at Cape Hatteras and as far as Nova Scotia, Bermuda, and south to Argentina. Scientific studies[10] indicate schools of tarpons have routinely migrated through the Panama Canal from the Atlantic to the Pacific and back for over 70 years. However, they have not been found to breed in the Pacific Ocean. Nevertheless, anecdotal evidence by tarpon fishing guides and anglers would tend to validate this notion, as over the last 60 years, many small juvenile tarpon, as well as mature giants, have been caught and documented principally on the Pacific side of Panama at the Bayano River, the Gulf of San Miguel and its tributaries, Coiba Island in the Gulf of Chiriquí, and Piñas Bay in the Gulf of Panama. Since tarpons tolerate wide ranges in salinity throughout their lives and will eat almost anything dead or alive, their migrations seemingly are only limited by water temperatures.[citation needed]

Tarpon prefers water temperatures of 72 to 82 °F (22 to 28 °C); below 60 °F (15.6 °C) degrees they become inactive, and temperatures under 40 °F (4.5 °C) can be lethal.  

Source: Tarpon from Wikipedia, the free encyclopedia 


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