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  2. Elasmobranchii - Wikipedia

    en.wikipedia.org/wiki/Elasmobranchii

    Elasmobranchii is one of the two subclasses of cartilaginous fish in the class Chondrichthyes, the other being Holocephali . Members of the elasmobranchii subclass have no swim bladders, five to seven pairs of gill clefts opening individually to the exterior, rigid dorsal fins, and small placoid scales. The teeth are in several series; the ...

  3. Batomorphi - Wikipedia

    en.wikipedia.org/wiki/Batomorphi

    They and their close relatives, the sharks, compose the subclass Elasmobranchii. Rays are the largest group of cartilaginous fishes, with well over 600 species in 26 families. Rays are distinguished by their flattened bodies, enlarged pectoral fins that are fused to the head, and gill slits that are placed on their ventral surfaces.

  4. Chondrichthyes - Wikipedia

    en.wikipedia.org/wiki/Chondrichthyes

    Elasmobranchii is a subclass that includes the sharks and the rays and skates. Members of the elasmobranchii have no swim bladders, five to seven pairs of gill clefts opening individually to the exterior, rigid dorsal fins, and small placoid scales. The teeth are in several series; the upper jaw is not fused to the cranium, and the lower jaw is ...

  5. Knifetooth sawfish - Wikipedia

    en.wikipedia.org/wiki/Knifetooth_sawfish

    At present, it is known to exist only in the eastern Arabian Sea, parts of South Asia and Australia and Papua New Guinea. [2] The narrow sawfish is bentho-pelagic and is found at depths of about 100 meters (330 feet). The narrow sawfish prefers soft bottom-substrates, such as sand, mud, or seagrass, to rocky or coraline habitats.

  6. Category:Elasmobranchii - Wikipedia

    en.wikipedia.org/wiki/Category:Elasmobranchii

    Pages in category "Elasmobranchii" The following 15 pages are in this category, out of 15 total. This list may not reflect recent changes. ...

  7. Sawfish - Wikipedia

    en.wikipedia.org/wiki/Sawfish

    Uniquely in this family, the narrow sawfish has a relatively fast reproduction rate (generation length about 4.6 years, less than one-third the time of the other species), it has experienced the smallest contraction of its range (30%) and it is one of only two species considered Endangered rather than Critically Endangered by the IUCN. [2]

  8. 'Bleeding Eye' Virus Sparks Travel Warning and Worldwide ...

    www.aol.com/bleeding-eye-virus-sparks-travel...

    The Marburg virus, which causes bleeding from the eyes, nose, and mouth, can be fatal in up to 90% of those infected

  9. Clearnose skate - Wikipedia

    en.wikipedia.org/wiki/Clearnose_skate

    The clearnose skate (Rostroraja eglanteria) is a species of cartilaginous fish in the family Rajidae. R. eglanteria is also known by other common names such as the brier skate and summer skate. [3]