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Credit: Getty Images. 32 types of saltwater fish for your aquarium. ... A funky-looking marine fish, with its ray fins and pointy nose. It will eat anything it can fit into its mouth – and has ...
Actinopterygii (/ ˌ æ k t ɪ n ɒ p t ə ˈ r ɪ dʒ i aɪ /; from Ancient Greek ἀκτίς (aktis) 'having rays' and πτέρυξ (ptérux) 'wing, fins'), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish [2] that comprise over 50% of living vertebrate species. [3]
Batoid gill slits lie under the pectoral fins on the underside, whereas a shark's are on the sides of the head. Most batoids have a flat, mantle-like body, with the exception of the guitarfishes and sawfishes, while most sharks have a spindle-shaped body. Many species of batoid have developed their pectoral fins into broad flat wing-like ...
Bat rays feed on mollusks, crustaceans and small fish on the seabed, using their winglike pectoral fins to move sand and expose prey animals. They may also use their snout to dig trenches up to 20 cm deep to expose buried prey, such as clams. [23] [24] Bat rays create pits by excavating the substrate in order to feed upon invertebrates and ...
They utilize similar resources to those of other upper trophic-level marine predators, such as seabirds, marine mammals, and sharks. The flattened body shape, ventral eyes and well developed spiracles of the skate allows them to live benthically, buried in the sediment or using a longitudinal undulation of the pectoral fins known as Rajiform ...
The Exocoetidae are a family of marine ray-finned fish in the order Beloniformes, known colloquially as flying fish or flying cod. About 64 species are grouped in seven genera . While they do not "fly" in the same way a bird does, flying fish can make powerful, self-propelled leaps out of the water where their long wing-like fins enable gliding ...
The flying fish's evolutionary streamlined body (which reduces drag) and winglike pectoral fins (that can be laid flat) allow for this species of fish to "fly". Flying fish can be classified into two aerodynamic designs, monoplane and biplane. California flying fish are biplane, meaning they have two sets of "wings". [15]
When approached, the fish retreated rapidly, but in 74% of the video footage, it drifted passively, oriented at any angle. When advancing, it swam intermittently at a speed of 0.24 body lengths per second, beating its pectoral fins in-phase. The lethargic behavior of this ambush predator is suited to the energy-poor environment of the deep sea ...