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Sphyrna lewini Scalloped Hammerhead

Sphyrna lewini is commonly referred to as Scalloped Hammerhead. Difficulty in the aquarium: suitable for large display tanks (public aquarium or zoo) only. A aquarium size of at least 2000000 Liter is recommended. Toxicity: Toxic hazard unknown.


Profilbild Urheber ReinhardArndt

Großer Hammerhai

Großer Hammerhai (Sphyrna mokarran), Tiger Beach, Bahamas


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lexID:
3797 
AphiaID:
105816 
Scientific:
Sphyrna lewini 
German:
Bogenstirn-Hammerhai, Gekerbter-Hammerhai 
English:
Scalloped Hammerhead 
Category:
Rekiny 
Family tree:
Animalia (Kingdom) > Chordata (Phylum) > Elasmobranchii (Class) > Carcharhiniformes (Order) > Sphyrnidae (Family) > Sphyrna (Genus) > lewini (Species) 
Initial determination:
(Griffith & Smith, ), 1834 
Occurrence:
Djibouti, Ghana, Zirkumsubtropisch, Benin, El Salvador, Eritrea, Barbados, Suriname, Vereinigte Arabische Emirate, (the) Maldives, Angola, Anguilla, Antigua and Barbuda, Aruba, Australia, Bahrain, Belize, Brazil, Cameroon, China, Circumtropic, Columbia, Congo, Costa Rica, Cuba, Dominica, Dominican Republic, Ecuador, Egypt, Equatorial Guinea, European Coasts, Florida, French Guiana, Gabon, Galapagos Islands, Grenada, Gulf of Mexico, Gulf of Oman / Oman, Guyana, Hawaii, Honduras, India, Indian Ocean, Indonesia, Irak, Iran, Jamaica, Japan, Kenya, Liberia, Madagascar, Mauritania, Mauritius, Myanmar, Namibia, New Caledonia, Nicaragua, Nigeria, Pakistan, Panama, Philippines, Puerto Rico, Quatar, Queensland (Australia), Red Sea, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, São Tomé e Principé, Saudi Arabia, Senegal, Sierra Leone, Somalia, South-Africa, Taiwan, Tansania, Thailand, The Bahamas, the Cape Verde Archipelago, the Cayman Islands, The Gulf of Guinea, the Ivory Coast, the Seychelles, Trinidad and Tobago, Uruguay, USA, Venezuela, Vietnam, Western Australia, Yemen 
Marine Zone:
Mesopelagial
Mesopelagic zone
lies between 200 to 1000 meters depth, thus it is considered the "twilight zone of the sea" between the light and dark depth zones.
 
Sea depth:
1 - 1000 Meter 
Habitats:
Brackish water, Seawater, Sea water 
Size:
139.76" - 169.29" (355cm - 430cm) 
Weight:
152.4 kg 
Temperature:
°F - 80.6 °F (°C - 27°C) 
Food:
Big fish, Carnivore, Coralfish of all kind, Crustaceans, Lobster, Predatory, Small Sharks 
Tank:
439956.88 gal (~ 2000000L)  
Difficulty:
suitable for large display tanks (public aquarium or zoo) only 
Offspring:
Not available as offspring 
Toxicity:
Toxic hazard unknown 
CITES:
Appendix II ((commercial trade possible after a safety assessment by the exporting country)) 
Red List:
Critically endangered (CR) 
Related species at
Catalog of Life
:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2024-11-24 13:02:57 

Info

Sphyrna lewini (Griffith & Smith, 1834)

The scalloped hammerhead shark is also a circum-global representative of tropical and sub-tropical seas.Like its family members, it has a predilection for rays.

This species is known to form large schools during the day, some of which can be 200-400 animals in size (see video).Then as dusk falls, the schools break up and the animals go hunting individually.

This species is one of the best studied hammerhead shark species.

Shark bites can be quite lethal to humans, especially the 10 most dangerous shark species are considered and can launch unprovoked attacks from humans: - Great white shark - Bull shark - Tiger shark - Sand tiger shark - Blacktip shark - Bronze shark - Spinner shark - Blue shark - Hammerhead shark - Whitetip shark The bite by a shark is one of the most basic fears of humans, but the number of deaths caused by shark attacks is very low: in 2015 there were 98 attacks by sharks and in 6 cases the attack resulted in a fatal end for humans. In 2016 there were 107 attacks by sharks and in 8 cases the attack resulted in a fatal end for humans. Sources: http://hai.ch/Hai-Infos/Unfaelle/index.html http://www.focus.de/reisen/videos/auch-urlaubsorte-betroffen-schrecklicher-rekord-2016-gab-es-mehr-hai-angriffe-als-je-zuvor_id_6519581.html http://www.spiegel.de/wissenschaft/natur/hai-angriffe-erreichen-2015-rekordhoch-weiterer-anstieg-erwartet-a-1076339.html http://www.zeit.de/2016/37/haie-toetung-tierschutz-surfer
In 2022, there were a total of 108 shark attacks in the USA.

Conversely, however, 100 million sharks were killed by humans. http://www.zeit.de/2016/37/haie-toetung-tierschutz-surfer The risk of being bitten by a shark varies greatly from region to region, with most attacks occurring in Florida, Australia and South Africa. Please be careful not to go into the water with bleeding skin wounds, heed bathing warnings from the authorities and be very careful when using surfboards, as sharks can easily confuse the boards with seals and harbour seals. After shark bites, always call a doctor or / and the rescue service as soon as possible, as heavy bleeding can be life-threatening.

https://worldanimalfoundation.org/advocate/shark-attack-statistics/

Synonyme:
Cestracion leeuwenii Day, 1865 · unaccepted
Cestracion oceanica Garman, 1913 · unaccepted
Sphyrna diplana Springer, 1941 · unaccepted
Sphyrna leweni (Griffith & Smith, 1834) · unaccepted (misspelling)
Zygaena erythraea Klunzinger, 1871 · unaccepted
Zygaena indica van Hasselt, 1823 · unaccepted
Zygaena lewini Griffith & Smith, 1834 · unaccepted

External links

  1. FishBase (multi). Abgerufen am 07.08.2020.

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