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The pelagic food web, showing the central involvement of marine microorganisms in how the ocean imports nutrients from and then exports them back to the atmosphere and ocean floor. A marine food web is a food web of marine life. At the base of the ocean food web are single-celled algae and other plant-like organisms known as phytoplankton.
Within marine food webs, H. heteropsis plays an important role in the diets of tuna, porpoises, blue sharks, sperm whales, elephant seals, and albatross. [4] Not much is known about the diet of H. heteropsis itself, although limited stomach content evaluations show that they feed on fish, crustaceans, and smaller squids.
The diagram on the right shows links among the ocean's biological pump and the pelagic food web and the ability to sample these components remotely from ships, satellites, and autonomous vehicles. Light blue waters are the euphotic zone , while the darker blue waters represent the twilight zone .
The Caribbean reef squid (Sepioteuthis sepioidea), commonly called the reef squid, is a species of small, torpedo-shaped squid with undulating fins that extend nearly the entire length of the body, approximately 20 cm (8 in) in length. They are most commonly found in the Caribbean Sea in small schools. As part of the Cephalopod class of ...
Cephalopods are thought to be unable to live in fresh water due to multiple biochemical constraints, and in their >400 million year existence have never ventured into fully freshwater habitats. [10] Cephalopods occupy most of the depth of the ocean, from the abyssal plains to the sea surface, and have also been found in the hadal zone. [11]
A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.
The Monterey Bay Aquarium Research Institute (MBARI) captured stunning footage of the strawberry squid during a deep sea dive. Check out the video above for a close-up of this sea creature that is ...
Doryteuthis opalescens itself is an important food source for many predators like larger fish, sharks, marine mammals, seabirds, and also humans. Its predators include the California sea lion, blue shark, sail fish, striped tuna, Chinook salmon, black-throated diver, and Brandt's cormorant.