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Male seahorses have a specialized ventral brood pouch to carry the embryos, male sea dragons attach the eggs to their tails, and male pipefish may do either, depending on their species. [4] The most fundamental difference between the different lineages of the family Syngnathidae is the location of male brood pouch. [ 5 ]
A pregnant Southern platyfish. Pregnancy has been traditionally defined as the period of time eggs are incubated in the body after the egg-sperm union. [1] Although the term often refers to placental mammals, it has also been used in the titles of many international, peer-reviewed, scientific articles on fish.
Myrichthys maculosus, commonly known as the tiger snake eel, [2] the ocellate snake eel or the spotted snake eel, [3] is a species of fish in the family Ophichthidae, native to the Indo-Pacific. It is occasionally encountered in the aquarium trade. It grows to a length of 1 m (40 in).
Pregnant male pipefish can absorb nutrients from their broods, in a manner very similar to filial cannibalism found in many other families of fish. The smallest eggs in a brood of various egg sizes usually have lower survival rates than larger ones due to the larger eggs having a longer-lasting food source (absent contributions from the father ...
The sleek unicornfish (Naso hexacanthus), also known as the blue-tail unicorn, Thorpe's unicornfish, blacktongue unicornfish or ʻopelu kala, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs.
Acreichthys tomentosus, commonly known as the bristle-tail filefish or Aiptasia-eating filefish, is a species of demersal marine fish which belongs to the family Monacanthidae and is widespread throughout the tropical waters of the Indo-west Pacific.
They share membership in this clade with lungfish and tetrapods. Externally, several characteristics distinguish coelacanths from other lobe-finned fish. They possess a three-lobed caudal fin, also called a trilobate fin or a diphycercal tail. A secondary tail extending past the primary tail separates the upper and lower halves of the coelacanth.
Lobotes surinamensis, Rio Grande do Sul, Brazil Tel Aviv, Israel. The Atlantic tripletail (Lobotes surinamensis), also known as the black grunt, black perch, buoy fish, buoyfish, brown triple tail, brown tripletail, conchy leaf, dusky triple-tail, dusky tripletail, flasher, sleepfish, triple tail, triple-tail, tripletail, or tripple tail is a species of marine ray-finned fish belonging to the ...