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Snook Fishing in Puerto Rico

The Common Snook is abundant in our waters.  The Caribbean Fishing Academy Charters

have experienced a great bite during the summer season where is known to spawn.  During

this period, we have been able to capitalize on the biggest Snook.  They are extremely good

eating, superb meat fish, with great fighting capability and greatly appreciated by both local

recreational and commercial anglers.  Snook Fishing in the San Juan Bay Puerto Rico waters

is consistent and very productive with an extremely high opportunity on successfully catching

a real trophy.


Common Snook

The common snook (Centropomus undecimalis) is a species of marine fish in the family Centropomidae of the orderPerciformes. The common snook is also known as the sergeant fish or robalo. It was originally assigned to the sciaenidgenus Sciaena; Sciaena undecimradiatus and Centropomus undecimradiatus are obsolete synonyms for the species.

One of the largest snooks, Centropomus undecimalis grows to a maximum overall length of 140 centimetres (4.6 ft) but common length is 50 centimetres (1.6 ft).The IGFA world record is 24.32 kg (53 lb 10 oz) caught in Parismina Ranch, Costa Rica.  Of typical centropomid form, it possesses drab coloration except for a distinctive black lateral line. It can also possess bright yellow pelvic and caudal fins, especially during spawn.

General ecology


Centropumis undecimalis is a protandric hermaphrodite fish species.[4] The common snook’s spawning season appears to span the months of April to October, with the peak spawning occurring during the months of July and August.[5] Spawning typically occurs in near-shore waters with high salinities.[6] Following the spawning period, the juveniles will then migrate to the brackish waters of the nearby estuarine environments.[6] When these juveniles mature they will then return to the higher salinity waters of the open ocean to join the breeding population.[6]

Habitat ecology

The common snook is an estuarine-dependent fish species.[7] Within estuaries, juvenile common snook are most often found inhabiting areas such as coastal wetland ponds, island networks, and creeks.[8] Despite being a euryhaline species of fish, common snook do show a tendency to gravitate towards lower salinity conditions in the early stages of their life.[9] By being able to adapt and thrive in both high and low salinity conditions through osmoregulation, common snook display a high level of habitat plasticity.[10] Common snook are opportunistic predators whose feeding habits indicate that there is a positive relationship between their size and the size of their prey, meaning that as the snook grows it feeds on larger and larger prey.[11] Common snook have been found to occasionally engage in cannibalistic activities, though this behavior is rare.[12] This usually occurs during the winter months when adult and juvenile common snook are in close proximity to one another within their estuarine habitats.[12] This form of cannibalism where the juveniles are fed on by the adults is referred to as intercohort cannibalism.[12] The adult common snook who do cannibalize juveniles most likely target them due to the fact that the juveniles may be the largest of the available prey, and are therefore more nutritionally efficient to prey upon.[12]

Physiological ecology

Common snook, like many species of fish, are very in tune with their environment, meaning that even a slight change in their surroundings can have a significant impact on their behavior. For example, common snook are able to determine when to start and stop spawning based on the temperature and salinity of the water they inhabit, the amount of rainfall in the area and whether or not there is a full moon.[13][14] However, there are some cases in which disturbances in their environment can have very negative effects on the snook population. One example of this is the devastating results of a cold snap. Snook are very susceptible to cold temperatures, with the effects ranging from the complete halt of all feeding at a water temperature of 14.2˚C, to the loss of equilibrium at 12.7 ̊C, to death at a temperature of 12.5 ̊C.[15] Recently, a cold snap in January 2010 resulted in a 41.88% decline in nominal abundance of the common snook population in Southwest Florida from the previous year and a 96-97% post-cold event decrease in apparent survival estimates.

Distribution and habitat

Centropomus undecimalis is widespread throughout the tropical waters of the western Atlantic Ocean from the coast of the North Carolina to Brazil including the Gulf of Mexico and the Caribbean Sea.  Many believe that snook originated in Central America and that changes in the earth’s weather is what brought the snook to Florida. It is believed that during a great warming trend after the Ice Age, snook moved northward along the Mexico shoreline. They followed the perimeter of the Gulf of Mexico, down the west coast of Florida and up the east coast. There are massive snook in Central America, although they seem to look a little different because of the weather and water quality but besides that they are the same. There are no restrictions in most of Central America on the size or quantity of snook you can keep, consequently many locals have been keeping and killing these massive snook for quite awhile.  Occurring in shallow coastal waters (up to 20 metres (66 ft) depth), estuaries, and lagoons, the fish often enters fresh water. It is carnivorous, with a diet dominated by smaller fishes, and crustaceans such as shrimp, and occasionally crabs.

Human interest

Three United States Navy submarines have been named for this species, USS Robalo (SS-273) and USS Snook (SS-279) in the Second World War and USS Snook(SSN-592) in the 1950s.

Considered an excellent food fish, the common snook is fished commercially and foreign caught fish are sold in the USA. When cooking snook, the skin must be removed, because otherwise it imparts an unpleasant taste, described as soapy, to the fish.
Snook is also prized as a game fish, being known for their great fighting capabilities.

Protection in Florida Gulf Coast

"At the June 2012 Florida Fish and Wildlife Conservation Commission (FWC) meeting, Commissioners voted to keep the recreational harvest of snook in Gulf of Mexico waters closed through Aug. 31, 2013. This closure will offer the species additional protection after a 2010 cold kill detrimentally affected the population. Snook closed to harvest in Gulf of Mexico and Atlantic waters in January 2010 after a severe cold kill affected snook population number."

This means that all Snook are "Catch and Release" only in the Gulf of Mexico until August 31, 2013. At that time the FWC can choose to open or close Snook harvest for another season. The commercial harvest or sale of Snook is prohibited by the same regulations.

At the June 2013 Florida Fish and Wildlife Conservation Commission (FWC) meeting, Commissioners voted to let the recreational harvest of snook reopen in Gulf of Mexico waters from September 1 that year. The next stock assessment for snook was scheduled for 2015, but has not yet occurred as of June, 2016, effectively leaving the fish under a protected status.


Source:  Wikipedia, the free encyclopedia