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A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits...

females (or hermaphrodites) during copulation. Such organs occur in both vertebrates and invertebrates, but males do not bear a penis in every animal species...

been abandoned. Benton, M. J. 1997, Vertebrate Paleontology, Blackwell Science Ltd Carroll, R. L. 1988, Vertebrate Paleontology and Evolution, W. H. Freeman...

the skull and the vertebral column, leading to the first craniates and vertebrates. The first fish lineages belong to the Agnatha, or jawless fish. Early...

to fulfilling their many other biological functions. Fish are vertebrates. All vertebrates are built along the basic chordate body plan: a stiff rod running...

that are known only from fossil records. They are the earliest known vertebrates, and include the first and extinct fish that lived through the Cambrian...

that facilitates the transport of oxygen in red blood cells. Almost all vertebrates contain hemoglobin, with the exception of the fish family Channichthyidae...

professional paleontologists such as Michael J. Benton, the professor of vertebrate palaeontology in the Department of Earth Sciences at the University of...

Lungfish are freshwater vertebrates belonging to the class Dipnoi. Lungfish are best known for retaining ancestral characteristics within the Osteichthyes...

to ectotherms more generally. Poikilothermic animals include types of vertebrate animals, specifically some fish, amphibians, and reptiles, as well as...

group called Osteichthyes (or Euteleostomi, which includes also land vertebrates); they have skeletons made of bone mostly, and can be contrasted with...

country with many geographic and climatic regions About 1500 species of vertebrates have been recorded in the country and around 19,000 species of invertebrate...

the S. occidentalis and S. picturatus. S. splendidus is one of only two vertebrate species known to have blue colouring because of cellular pigment, the...

Ensembl: provides automatic annotation databases for human, mouse, other vertebrate and eukaryote genomes Ensembl Genomes: provides genome-scale data for...

or control the development and maintenance of male characteristics in vertebrates by binding to androgen receptors. However, the potency of 11-ketoandrosterone...

found in private ponds. The zebrafish is an important and widely used vertebrate model organism in scientific research. Zebrafish has been used for biomedicine...

system is the neuromast, a cell similar to hair cells present in the vertebrate ear that interact with the surrounding aquatic environment. This helps...

laumondii TTO1 project at Institut Pasteur MicrobeWiki - Photorhabdus luminescens at Kenyon College's Microbe Wiki Type strain of Photorhabdus luminescens at...

ἱππόκαμπος, 'seahorse') is a major component of the brain of humans and other vertebrates. Humans and other mammals have two hippocampi, one in each side of the...

Scombroid Shellfish poisoning Amnesic Diarrhetic Neurotoxic Paralytic Other vertebrates Amphibian Batrachotoxin Bombesin Bufotenin Physalaemin Birds Coturnism...