ARKive - Sharpnose sevengill shark - Heptranchias perlo- Related species

Species related to the Sharpnose sevengill shark (Heptranchias perlo)

Cuvier’s beaked whale (Ziphius cavirostris)
In 1823, after mistaking a fragment of skull for a fossil, the French naturalist Georges Cuvier described a seemingly extinct species of... More 8 Images 0 videos
Sperm whale (Physeter macrocephalus)
The sperm whale (Physeter macrocephalus) is the largest of the toothed whales, with males growing up to 20 metres in length. The sperm whale... More 45 Images 14 Videos
Bottlenose dolphin (Tursiops truncatus)
The bottlenose dolphin (Tursiops truncatus) is one of the most well-known species of dolphin. There appear to be two main varieties; a... More 49 Images 2 Videos
Orca (Orcinus orca)
Also known as the killer whale, the orca (Orcinus orca) is the largest member of the dolphin family, and one of the most distinctive of all... More 50 Images 1 Video
False killer whale (Pseudorca crassidens)
Despite its name, the false killer whale is not a close relative of the killer whale (Orcinus orca), and, in fact, any resemblance between... More 16 Images 0 videos
Albacore tuna (Thunnus alalunga)
The large, oceanic albacore tuna (Thunnus alalunga) is built for speed, with a torpedo-shaped body, smooth skin and streamlined fins... More 1 Image 0 videos
Short-beaked common dolphin (Delphinus delphis)
The short-beaked common dolphin (Delphinus delphis) is the commonest dolphin species, but exact numbers are unknown. It is easily identified... More 39 Images 2 Videos
Swordfish (Xiphias gladius)
A fast-swimming predator, the swordfish (Xiphias gladius) gets its name from its extremely long, flat, sword-like bill, which is... More 6 Images 0 videos
Thresher shark (Alopias vulpinus)
With their enormous, curving upper lobe of the tail fin, which can be as long as the body, thresher sharks (Alopias vulpinus) are one of the... More 3 Images 1 Video
Pygmy sperm whale (Kogia breviceps)
Information on the pygmy sperm whale is currently being researched and written and will appear here shortly... More 7 Images 0 videos
Blainville’s beaked whale (Mesoplodon densirostris)
A particularly easy species to identify, Blainville’s beaked whale has two distinctive horn-like teeth that grow from bulges in the lower... More 4 Images 0 videos
Pygmy killer whale (Feresa attenuata)
Contrary to its name, the little-known pygmy killer whale is actually a member of the dolphin family. Until 1952 the pygmy killer whale was... More 11 Images 1 Video
Whale shark (Rhincodon typus)
The whale shark (Rhincodon typus) is the largest fish in the world; with its vast size it resembles the whales from which its common name is... More 30 Images 13 Videos
Bryde’s whale (Balaenoptera edeni)
Pronounced “broo-dess”, the Bryde’s whale is named after Johan Bryde, who helped construct the first South African whaling factory in the... More 19 Images 1 Video
Blacktip shark (Carcharhinus limbatus)
The blacktip shark (Carcharhinus limbatus) is a large, stout shark, with a long, pointed snout and small eyes. Its torpedo-shaped body, grey... More 14 Images 1 Video
Humpback whale (Megaptera novaeangliae)
The magnificent humpback whale (Megaptera novaeangliae) is renowned for its impressive leaping displays and for the mysterious 'singing' of... More 57 Images 15 Videos
Short-finned pilot whale (Globicephala macrorhynchus)
The short-finned pilot whale (Globicephala macrorhynchus) is relatively large member of the dolphin family (Delphinidae), and is known for... More 26 Images 2 Videos
Fraser’s dolphin (Lagenodelphis hosei)
This tropical dolphin was scientifically described in 1956 from an individual washed up on a beach in Borneo, but was not actually recorded... More 7 Images 0 videos
Silky shark (Carcharhinus falciformis)
A streamlined predator, the silky shark (Carcharhinus falciformis) gets its common name from its exceptionally smooth skin, which has an... More 21 Images 1 Video
Long-beaked common dolphin (Delphinus capensis)
Since the mid-1990s, the common dolphin has been split into two species, the long-beaked common dolphin and the short-beaked common dolphin... More 32 Images 0 videos
Olive ridley turtle (Lepidochelys olivacea)
The olive ridley turtle is the smallest of the marine turtles. The carapace of this turtle is olive coloured and relatively heart-shaped... More 50 Images 11 Videos
Tiger shark (Galeocerdo cuvier)
One of the largest sharks in the world, the tiger shark (Galeocerdo cuvier) is named for the characteristic, vertical striped markings that... More 38 Images 4 Videos
Melon-headed whale (Peponocephala electra)
The melon-headed whale (Peponocephala electra) is a member of a group of small, dark-coloured whales often referred to as ‘blackfish’. As... More 10 Images 0 videos
Tope shark (Galeorhinus galeus)
The tope shark, the only member of the genus Galeorhinus, is a large, slender shark with a long snout. Its large mouth contains sharp... More 2 Images 0 videos
Great hammerhead (Sphyrna mokarran)
The massive and well-known great hammerhead (Sphyrna mokarran) has the most distinctive hammer of its genus. It is particularly wide and... More 17 Images 1 Video
Smooth hammerhead (Sphyrna zygaena)
A member of a large and easily recognisable group of sharks, the smooth hammerhead can be distinguished from the other hammerhead species by... More 7 Images 0 videos
Undulate ray (Raja undulata)
Information on the undulate ray is currently being researched and written and will appear here shortly... More 3 Images 0 videos
Loggerhead turtle (Caretta caretta)
The loggerhead is one of the most widespread of all the marine turtles and also the most highly migratory, with individuals known to cross... More 45 Images 23 Videos
Smalltooth sawfish (Pristis pectinata)
The smalltooth sawfish gets its name from the Greek word ‘pristis’, meaning saw and the small teeth that line the edges of its saw, which... More 1 Image 2 Videos
Bramble shark (Echinorhinus brucus)
The most unusual feature of this sluggish shark is the sharp tooth-like denticles scattered over its body and fins. A stout-bodied animal... More 6 Images 0 videos

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