Tiger Grouper – Profile | Traits | Facts | Biology | Habitat

Tiger grouper

The tiger grouper, scientific name Mycteroperca tigris is a species of marine ray-finned fish, a grouper from the subfamily Epinephelinae which is a part of the family Serranidae, which additionally contains the anthias and sea basses. It is discovered within the hotter waters of the western Atlantic Ocean.

Tiger Grouper Overview

Body sturdy and stout, with a largemouth. Dark backcrossed by 9 to 11 pale slim strains that slope downward and ahead. Can dramatically change coloration, pale or darken. Occasionally vibrant red, particularly when visiting cleansing stations. Juveniles are yellow with a dusky midbody streak.

Like many of the groupers, the body coloration and patterns of the tiger grouper differ relying on its environment and temper. The body coloration and pattern is mostly grey, brown, or red with a minimum of 7 darkish diagonal strains on the higher body, giving it “tiger str.

Tiger Grouper are a species of fish within the Serranidae family. This Grouper has a tapered body, usually reddish, with vertical stripes on its sides which change the angle from head to tail. Juveniles are typically yellow. Tiger groupers are recognized to own toxins that might be thought of as unsafe to eat.

Tiger grouper

A solitary carnivore occurring in coral reefs and rocky areas, commonest between 10 and 40 m.

Although awkward in look, groupers can cover quick distances shortly. Feed primarily on fish, which is drawn into their gullets by a robust suction created after they open their largemouths.

Held securely by hundreds of small, rasp-like teeth that cover the jaws, tongue, and palate, the prey is swallowed whole. This species is protogynous hermaphroditic, all fish smaller than 37 cm are feminine and all fish bigger than 45 cm is male.

Size as much as 1 m. Occasional South Florida, widespread Bahamas, and the Caribbean.

Tiger Grouper Description

The tiger grouper has a body that’s elongate, sturdy, and compressed, its depth being no higher on the origin of the dorsal fin as it’s on the origin of the anal fin, and a largemouth.

Dorsal spines (total): 11; Dorsal gentle rays (total): 15-17; Anal spines: 3; Anal gentle rays: 11. Distinguished by the next traits: Back crossed by about 11 pale slim strains that slope downward and ahead. No different grouper within the Caribbean has the same pattern of slim pale diagonal strains.

Further characterized by having a depth of body contained 3.1-3.6 occasions in SL; head size 2.5-2.8 occasions in SL; flat interorbital space; rounded preopercle, without lobe at an angle; diameter of posterior nostrils 3-5 occasions bigger than anterior ones; massive teeth, well-developed canines.

The standard size is 3.1 to three.6 occasions the depth of the body. The preopercle is rounded and doesn’t have a lobe at its angle. The dorsal fin incorporates 11 spines and 15-17 gentle rays whereas the anal fin incorporates 3 spines and 11 gentle rays.

The membranes between the dorsal fin spines are clearly notched. The caudal fin is straight in juveniles and barely concave in adults. The higher body is darkish and there are 9 to 11 skinny, pale indirect strains.

It is able to dramatic adjustments in coloration, in addition to lightening or darkening its coloration. It may even generally be vibrant red in coloration, notably when being attended to by cleaner fish.

The juveniles are yellow with a dusky line alongside the flanks. This species attains a total size of 101 centimeters (40 in), though they’re generally around 40 centimeters (16 in), and a most printed weight of 10 kilograms (22 lb).

Tiger grouper


Western Atlantic: southern Florida (USA) and the Gulf of Mexico to Brazil. It was urged that Mycteroperca tigris was a transient species within the northwestern Gulf of Mexico, however, has lately grown to be considered on the Flower Garden Banks off Texas.

The tiger grouper is discovered within the western Atlantic Ocean from southeastern Florida, Bermuda, and the Bahamas, in addition to the Flower Garden Banks within the north, southwards via the Caribbean Sea to the Maroni River in French Guiana. A disjunct inhabitant happens in Brazil the place they’re discovered from Ceara State to Rio de Janeiro State.

Tiger Grouper Habitat

The tiger grouper is a solitary species that are discovered on coral reefs and in rocky areas. It is an ambush predator of smaller fishes. It hides amongst coral and sponges and is makes an attempt to stay hidden, even when approached.

It attends the cleansing stations of cleaner fish. The inhabitants round Bermuda has a size distribution and sex ratio which counsel that tiger groupers are protogynous hermaphrodites, all the fish with a total size lower than 37 centimeters (15 in) have been feminine, and all the fish with a total size higher than 45 centimeters (18 in) have been male.

They are discovered at depths of three to 112 meters (9.8 to 367.5 ft). It is understood to kind spawning aggregations within the northern part of its range however these haven’t been recorded off Brazil.

Tiger grouper


A solitary species occurring in coral reefs and rocky areas. It is taken into account an ambush predator that hides among the many coral and sponges and is straightforward to method.

Frequents cleansing stations. The size versus sex distribution of the Bermuda inhabitants signifies that this species is a protogynous hermaphrodite; all fish lower than 37 cm TL have been females and all fish bigger than 45 cm TL have been males. Food of 59 specimens 15 to 57 cm SL has been purely fishes of quite a lot of species.

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