Class

Common name: Sharks and Rays

Scientific name: Elasmobranchii

Elasmobranchii, commonly known as sharks and rays, is a fascinating class of cartilaginous fish. This group includes some of the ocean's most iconic and ancient creatures, characterized by their cartilaginous skeletons, which are lighter and more flexible than the bony skeletons of other fish. Elasmobranchs have been around for hundreds of millions of years, with their historical lineage tracing back to the Devonian period.

Sharks and rays are known for their unique adaptations to marine environments. Sharks, for example, possess keen senses, including the ability to detect electrical fields generated by other organisms, a trait that aids them in hunting. They also have a highly developed sense of smell and acute vision adapted to low-light conditions. Rays, on the other hand, are often benthic, living on the ocean floor. They have flattened bodies and enlarged pectoral fins that resemble wings, which they use to glide through the water or bury themselves in sand.

For hobbyists, keeping elasmobranchs in home aquariums can be challenging due to their size and specific care requirements. They require large tanks with ample swimming space, pristine water conditions, and a diet that mimics their natural feeding habits. Some species, like the smaller bamboo sharks and certain types of rays, are more suitable for home aquariums, provided these conditions are met. It's important to research each species' needs thoroughly before considering them as pets.

In addition to their ecological importance, elasmobranchs are also subjects of scientific interest due to their unique physiology and history. Their cartilaginous structure and reproductive strategies, such as live birth in some species, offer insights into the history of vertebrate biology. Conservation efforts are crucial for many elasmobranch species, as they face threats from overfishing and habitat destruction, highlighting the need for responsible aquarium practices and awareness.

  1. Common name: Australian Marbled Catshark
    Scientific name: Atelomycterus macleayi
  2. Coral Catshark in Lembeh Strait
    Common name: Coral Catshark
    Scientific name: Atelomycterus marmoratus
  3. Oceanic Whitetip Shark in the sea near the Brother Islands in Egypt
    Common name: Oceanic Whitetip Shark
    Scientific name: Carcharhinus longimanus
  4. Sand Tiger Shark in a huge aquarium
    Common name: Sand Tiger Shark
    Scientific name: Carcharias taurus
  5. Common name: Grey Bamboo Shark
    Scientific name: Chiloscyllium griseum
  6. Whitespotted Bamboo Shark (Chiloscyllium plagiosum)
    Common name: Whitespotted Bamboo Shark
    Scientific name: Chiloscyllium plagiosum
  7. Brownbanded Bamboo Shark (Chiloscyllium punctatum), Indo-Pacific Ocean
    Common name: Brownbanded Bamboo Shark
    Scientific name: Chiloscyllium punctatum
  8. Southern Stingray, Grand Cayman, Cayman Islands, Caribbean
    Common name: stingaree
    Scientific name: Dasyatis americana
  9. Tasselled Wobbegong (Eucrossorhinus dasypogon), Dampier Strait, Raja Ampat, Indonesia
    Common name: Tasselled Wobbegong
    Scientific name: Eucrossorhinus dasypogon
  10. Nurse Shark, Cozumel
    Common name: Nurse Shark
    Scientific name: Ginglymostoma cirratum
  11. Epaulette shark (Hemiscyllium ocellatum), a shark walking along the bottom
    Common name: Epaulette Shark
    Scientific name: Hemiscyllium ocellatum
  12. Common name: Hooded Carpetshark
    Scientific name: Hemiscyllium strahani
  13. Common name: Speckled Carpetshark
    Scientific name: Hemiscyllium trispeculare
  14. Horn Shark (Heterodontus francisci)
    Common name: Horn Shark
    Scientific name: Heterodontus francisci
  15. Juvenile Japanese Bullhead Shark
    Common name: Japanese Bullhead Shark
    Scientific name: Heterodontus japonicus
  16. Port Jackson Shark (Heterodontus portusjacksoni) on sandy sea floor
    Common name: Port Jackson Shark
    Scientific name: Heterodontus portusjacksoni
  17. Tawny Nurse Shark (Nebrius ferrugineus)
    Common name: Tawny Nurse Shark
    Scientific name: Nebrius ferrugineus
  18. Lemon Shark (Negaprion brevirostris), scuba diving Tahiti
    Common name: Lemon Shark
    Scientific name: Negaprion brevirostris
  19. Bluespotted stingray
    Common name: Bluespotted stingray
    Scientific name: Neotrygon kuhlii
  20. A Spotted Wobbegong is sleeping under a rock
    Common name: Spotted Wobbegong
    Scientific name: Orectolobus maculatus
  21. Wobbegong shark camouflages with its surroundings while waiting for prey
    Common name: Ornate Wobbegong
    Scientific name: Orectolobus ornatus
  22. Giant Whale Shark
    Common name: Whale Shark
    Scientific name: Rhincodon typus
  23. Scalloped Hammerhead (Sphyrna lewinii) glides through the deep blue ocean
    Common name: Scalloped Hammerhead
    Scientific name: Sphyrna lewini
  24. Zebra Shark (Stegostoma fasciatum) swimming in the sea
    Common name: Zebra Shark
    Scientific name: Stegostoma fasciatum
  25. Bluespotted Ribbontail Ray (Taeniura Lymma), Red Sea, Egypt
    Common name: Bluespotted Ribbontail Ray
    Scientific name: Taeniura lymma
  26. Blotched Fantail Ray (Taeniurops meyeni) swimming over the ocean rocky reef
    Common name: Blotched fantail ray
    Scientific name: Taeniurops meyeni
  27. Whitetip Reef Shark resting on the sand
    Common name: Whitetip Reef Shark
    Scientific name: Triaenodon obesus
  28. Leopard Shark (Triakis semifasciata)
    Common name: Leopard Shark
    Scientific name: Triakis semifasciata
  29.  stingray eye close up
    Common name: Yellow stingray
    Scientific name: Urobatis jamaicensis
  30. Close-up of a Porcupine Ray (Urogymnus asperrimus) over the ocean sandy bottom. Seychelles
    Common name: Mottled Stingray
    Scientific name: Urogymnus asperrimus