Plantlet The Blogging Platform of Department of Botany, University of Dhaka
Introduction
Endless diversity of lives are there in the ocean which enthralls us absolutely to explore further. In that deep blue world, thousands of species are awaiting to be acquainted with us. They are the true components of the oceanic ecosystem who not only embellished “deep blue beauty” but also played a significant role to establish balance in our surroundings.
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Batoids
Batoids or Ray fish is one of the tantalizing groups of cartilaginous fish species. They first appeared in the fossil record around 28 million years ago. They are extremely exciting in appearance. We already may have observed their gorgeous vibe in the underwater environment through “The Discovery” or “The Animal Planet”.
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Habitat and Distribution
Ray fishes are close relatives to Sharks. They are boneless as their body made up of tough, elastic cartilage. Most of them inhabit the seafloor in different geographical parts of the world, while some species may live up to 9800 ft deep in the underwater environment.
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Most interestingly, Batoids have got a cosmopolitan distribution. They prefer tropical and subtropical to temperate marine environments. But a few species live in the open sea, a very few in the freshwater environments.
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Among other ray fishes, Devil Ray is the most spectacular one. Devil ray belongs to the genus: Mobula; which is enshrined into Mobulidae family of Myliobatiformes order. Mobula are the largest ray species in the world. There are nine species of Devil Rays reported all around the world. What is frustrating is that majority of them are declared “Threatened” on the IUCN’s red list.
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