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Agassiz's perchlet (Ambassis agassizii), also known as Agassiz's glass fish and the olive perchlet, is a species of ray-finned fish in the family Ambassidae. It is semi-transparent with dark scale edges forming a pattern over most of the body. It grows to a maximum of 7.5 cm. It is a macrophyte spawner with adhesive eggs.
Lagodon is a monospecific genus of marine ray-finned fish belonging to the family Sparidae, which includes the seabreams and porgies. The only species in the genus is Lagodon rhomboides, the pinfish, red porgy, bream, pin perch, sand perch, butterfish or sailor's choice. This fish is found in the Western Atlantic Ocean and Gulf of Mexico.
Yellow perch eggs are thought to contain a chemical in the jelly-like sheath that protects the eggs and makes them undesirable since they are rarely ever eaten by other fish. The eggs usually hatch in 8–10 days, but can take up to 21 days depending on temperature and proper spawning habitat.
Perch is a common name for freshwater fish from the genus Perca, which belongs to the family Percidae of the large order Perciformes. The name comes from Greek : πέρκη , romanized : perke , meaning the type species of this genus, the European perch ( P. fluviatilis ).
Like the stickleback fish, the male species protects the eggs from other creatures and supplies oxygen to the unhatched eggs by fanning its fins. It also takes care of the offspring until it grows to a certain size. Before it hatches, some fish such as the striped shinner also lay eggs on the original eggs. However, it does not harm the ...
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]
In the breeding season the males are brighter as their dorsal, anal and caudal fins develop a red colour and have black margins and the pelvic fins and the area around the anus become black. [4] These fish attain a maximum total length of 8 centimetres (3.1 in) but are more commonly recorded at standard lengths of around 6 centimetres (2.4 in). [2]
Helicolenus percoides is a predatory fish which feeds on fishes, squids and crustaceans. They are ovoviviparous, the females do not lay eggs but are fertilised internally and release small larvae into the water. [6] Extruding them in gelatinous masses at 1mm in length. [8] The spines on the dorsal fin and the head are venomous. [1]