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Fish reproduction. A pair of bettas spawning under a bubble nest. Fish reproductive organs include testes and ovaries. In most species, gonads are paired organs of similar size, which can be partially or totally fused. [1] There may also be a range of secondary organs that increase reproductive fitness.
The name "anglerfish" derives from the species' characteristic method of predation. Anglerfish typically have at least one long filament sprouting from the middle of their heads, termed the illicium. The illicium is the detached and modified first three spines of the anterior dorsal fin. In most anglerfish species, the longest filament is the ...
Adult female Haplophryne mollis are much larger than adult males, with a maximum length of 16 cm (6.3 in), but 8 cm (3 in) is a more common length. [3] As in other angler fish, the front dorsal fin is replaced by a lure (illicium or esca) that protrudes forward and over the mouth to attract prey, but in this species this just consists of a flap of skin and there is no "fishing rod".
In fish, reproductive histories often include the sex-change from female to male where there is a strong connection between growth, the sex of an individual, and the mating system within which it operates. [56] In protogynous mating systems where males dominate mating with many females, size plays a significant role in male reproductive success ...
Lophius gadicensis Cabrera, Pérez & Haenseler, 1817. Lophius piscatorius, commonly known as the angler, [2] frog fish, [2] fishing frog, [2] monk, [2] European angler, [citation needed] common monkfish, [citation needed] sea devil, [3] or devil fish, [3] is a monkfish in the family Lophiidae. It is found in coastal waters of the northeast ...
Spawn (biology) The spawn (eggs) of a clownfish. The black spots are the developing eyes. Spawn is the eggs and sperm released or deposited into water by aquatic animals. As a verb, to spawn refers to the process of freely releasing eggs and sperm into a body of water (fresh or marine); the physical act is known as spawning.
Lasiognathus, the wolftrap anglerfish, is a genus of deep-sea anglerfish in the family Thaumatichthyidae, with six species known from the Atlantic and Pacific Oceans.. Like its sister genus Thaumatichthys, it is distinct from other anglerfish for an enormous upper jaw with premaxillaries that can be folded down to enclose the much shorter lower jaw. [1]
Sequential hermaphroditism (called dichogamy in botany) is one of the two types of hermaphroditism, the other type being simultaneous hermaphroditism. It occurs when the organism's sex changes at some point in its life. [ 1 ] A sequential hermaphrodite produces eggs (female gametes) and sperm (male gametes) at different stages in life. [ 2 ]