Grouper fish is an extremely popular fish, quite familiar to the people of the sea. Despite this popularity, but not everyone knows all the interesting facts about this fish. Our article today, will introduce full information for you.
Information of Grouper fish
What are sea grouper fish?
Grouper is known to be a rare and precious seafood species commonly found in the Asia-Pacific region. Grouper are fierce fish, they grow very quickly. Nowadays, this rare fish has been successfully raised in several countries around the world, including Vietnam. If you are looking to find out more information about grouper, let’s find out through the article below!
Origin of Grouper fish
Grouper is grouper species of fish in them their aka Grouper (Serranidae). The fish has an English name Grouper, they belong to the sea bass.
In the family of grouper today there are more than 400 species, are distributed in many parts of the world.
Grouper fish is grouper species of fish in them their aka Grouper (Serranidae). The fish has an English name Grouper, they belong to the sea bass.
In the family of grouper today there are more than 400 species, are distributed in many parts of the world.
Characteristics of Grouper fish
Grouper has a very special feature compared to other fishes, it is a plump body and a very large mouth.
The weight of the fish depends on the breed, the grouper with the smallest weight is the mouse grouper – when mature only weighs about 1kg.
The largest grouper is the turmeric grouper, when mature can weigh up to 50-60kg.
Grouper has a fairly balanced head and body ratio. The head of the fish is quite flat, the skull is extremely hard and has sharp, spiked fins.
Grouper has an extremely wide mouth, thick lips, lower jaw longer than the upper jaw and tends to tip up.
The grouper’s jaws are extremely strong, their small, sharp jaws form an extremely sharp band, this is a sharp weapon to destroy prey.
- The grouper eyes are quite round, slightly convex and located near the top of the head.
- The grouper body is quite round, the back of the fish is slightly curved.
- The fish’s dorsal fin forms a long strip, extending from near the middle of the back to the tail.
- The fish’s dorsal fin is extremely hard, and if the fin is punctured into the hand, it will feel numb.
- The pectoral fins and pelvic fins of the fish are softer than the dorsal but still capable of causing damage.
- The fish’s anal fin is quite soft and is positioned near the tail of the fish.
- The fish’s tail is quite long and looks like a mop.
Grouper covering the whole body of the grouper is a layer of very small but extremely hard scales. Their bodies are usually dark brown or brown with mossy green.
Stretching from the back to the abdomen often has dark brown flower veins. The back of the fish will be a darker brown than the belly area.
What do grouper eat?
Grouper are omnivorous fish, they are one of the most specialized solitary predators. Their food is mainly animals and organisms living in the marine environment.
Their favorite foods are small fish (alum, serpentine, and thyme), crustaceans (shrimps and small crabs) and small sized squid.
Reproduction in grouper
Grouper is one of the lines of fish that reproduce in the form of hermaphrodite. That means when they are young, they are females, when adults they can change sex.
They usually change sex when they live for about 3 years (sex change occurs only in some individuals).
When season comes the breeding season, a single male can mate with dozens of females.
Grouper spawning season is determined by geographical location. In some Asian countries, grouper reproduction cycle starts from March until the end of October every year.
Grouper is a line of spawning fish, they often gather in groups to spawn and lay near coral reefs where strong water currents are present.
When there is a strong current, this will help roll the eggs offshore and provide better protection for them.
Where do grouper live?
Grouper has a very diverse habitat, small grouper strains often live in estuarine areas where there is a lot of sand and mud or in mangrove forests.
Large grouper species often live in the area around coral reefs, reefs in warm water.
Types of Grouper Fish
In our country there are many types of grouper, because this will make many people confuse. Below, we will help you easily distinguish common grouper types.
Red grouper
Red grouper has English name Hongkong grouper. Red grouper have a flat play body, their head is small and elongated.
The red grouper snout is quite pointed, the mouth is wide and the teeth are sharp
The two dorsal fins of the fish are extremely sharp connected and spread along the entire back. Pectoral fins and proximal gill soft, anal fins hard and near caudal, caudal fin rounded and slightly convex.
Red grouper when mature is usually about 30cm in length. Red grouper has a pinkish gray skin, along with many red dots – a characteristic feature of this fish.
Black grouper – cotton grouper
Black grouper, also known as cotton grouper, brown flower grouper. This line of grouper is also known in English as Brown-marbled grouper.
Black grouper was found and described by Forskal in 1775.
Black grouper have a slightly flattened body, their body weight is quite large – about 5 to 6 kg on average. Black grouper is about 50cm in length, in some cases up to 1.2m in length.
Black grouper have very large eyes, wide mouth and extremely sharp teeth.
Their entire body is covered with dark brown, on the body there are many horizontal brown lines and many dark spots.
Mouse grouper – flat grouper
Mouse grouper, also known as flat grouper, this species is the line grouper with the smallest size in the grouper line.
Rat grouper has an elongated body and slightly flattened on both sides. Average fish is only about 15 – 30cm long. The heaviest mouse grouper is only about 1kg.
In Vietnam, grouper is mainly distributed in the Gulf of Tonkin.
Star grouper
Star grouper has many lines, including: blue star, red star and yellow star. The Star Grouper strain is a strain with a high commercial value.
Star grouper has an elongated body and has the same characteristics as grouper in general. Star grouper usually weighs about 1-3kg.
Blue-star grouper usually live near coral reefs and are widely distributed throughout the Indian and Pacific Oceans.
Stone Grouper
Rock grouper is also known in many places as the grouper. Also belonging to the grouper family, this breed was not once found in Japan and Australia. The fish’s body length can be up to 40cm long
Devil’s-faced grouper – rocky grouper
The demon-faced grouper is also known as the spiny rock grouper. The devil-faced grouper has the English name Slender rockfish, they live mainly in fish in the sea rock.
This line of fish has a rough, rough head that looks like a demon face fish. On their back there are many hard, poisonous fins (anesthesia only).
Devil’s-faced grouper has a relatively small size, weighing only about 3-5 ounces. Although small, their meat is extremely rich and loved by many people.
Fat grouper
Fat grouper was found by Forskal in 1775. Fat grouper have elongated bodies, their average length reaches 50cm. Fat grouper is light gray or brown in color. On the fish’s body there are dotted red dots.
Best List Size for Saltwater Aquarium Groupers
Grouper are carnivores, we feed prey with a large opening action and use sharp teeth to hold the prey but not to kill them. The main diet of grouper is usually juveniles, shrimp, squid, identification, suitable animals (newly hatched fish), even cannibalism in the fry when the fry are too hungry. Most predators will grow well over 12 inches in captivity and need a large tank with adequate pool and shelter to grow, Groupers can be kept in reef tanks.
Below is our list of recommended Grouper Aquariums, you can refer to the largest samples for grouper to grow and develop well.
- 125 GALLON AQUARIUM
- 100 GALLON FISH TANK
- 75 GALLON AQUARIUM
- 55 GALLON FISH TANKS
- 40 GALLON FISH TANKS
- 30 GALLON FISH TANK
source https://memfish.net/grouper-fish/
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