Grouper

Grouper

Groupers are one of the apex predators in the oceans. They are eaten by others like sharks but they are very important for the marine food chain.

General information

Diet: Small fish, Squid, Octopus and other animals like snails, crabs etc.

Predators: Sharks and Big fishes
Habitat: coral reefs

Special Power: Gulping other fish in fraction of a second
Colour: Colours differ from red, pink, orange but most groupers have dark colours like grey.
Length: 1-5 meters depending on the species


Information about the fish

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Reef Sharks

Reef Shark

Scientific name: Carcharhinus melanopterus

Habitat: Near coral reefs

Diet: Small Fishes, Crabs and Lobsters, reef fish, squid, cephalopods and shrimp

Predators: Bigger Sharks, Killer whales and Octopus

Rank in food chain: Consumer

Type of water it lives in: Saltwater

Size: 1/2 mtrs

Relatives: White tip reef shark and grey reef sharks


Reef sharks inhabit tropical waters and lagoons near coral reefs. They are found in Indo-Pacific waters and the Caribbean. Like all sharks, reef sharks are efficient predators. They are at the apex of their food chains and are therefore an important indicator species for marine ecosystems as a whole.


Reproduction All reef sharks are viviparous - they give birth to live pups, with an average of 1-5 pups per litter. Gestation periods can be longer than 1 year, and the pups do not reach maturity until at least the age of 5.

What are the main threats to Reef sharks?

Slow reproduction rates and a limited habitat makes reef sharks particularly vulnerable to both commercial and artisanal fishing. They are often caught as by catch and discarded, making a true assessment of population status difficult.
Watch a video of Reef Shark Here:
https://www.youtube.com/watch?v=ejguPpeVK-k


 

Killer whale

Killer whale

Scientific name: Orcinus orca

Habitat: All oceans

Diet: Sharks, Octopuses, Fishes (big - Small), Squid, Crabs, Seals, Sea lions, Penguins and Turtles

Predators: Humans

Rank in the food chain: Top predators

Type of water it lives in: Saltwater

Biggest type of dolphin: Killer whale

Smallest type of dolphin: Maui's dolphin

Size: 10 mtrs

Did you know: Delphinus orca was the earliest name for the killer whale. It meant demon dolphin.

Class: Mammals