European conger
| European conger | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Anguilliformes |
| Family: | Congridae |
| Genus: | Conger |
| Species: | C. conger |
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Conger conger (Linnaeus, 1758) |
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| The Range of the European conger | |
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The European conger (Conger conger) is a species of conger of the family Congridae. It is the largest eel in the world and native to the northeast Atlantic, including the Mediterranean Sea.
European congers have an average adult length of 1.5 m (4 ft 11 in), a maximum known length of 3 m (9 ft 10 in), and maximum weight of roughly 110 kg (240 lb), making them the largest eels in the world by weight, they can be rivaled or marginally exceeded in length by the largest species of moray eel but these tend to be more slender and thus weigh less than the larger congers. Average specimens caught will weigh only 2.5 to 25 kg (5.5 to 55.1 lb). Females, with an average length at sexual maturity of 2 m (6 ft 7 in), are much larger than males, with an average length at sexual maturity of 1.2 m (3 ft 11 in).
The body is very long, anguilliform, without scales. The colour is usually grey, but can also be blackish. The belly is white. A row of small white spots is aligned along the lateral line. The head is almost conical, and slightly depressed. The snout is rounded and prominent, with lateral olfactory holes. The large gill openings are in the lateral position. The conical teeth are arranged in rows on the jaws. The dorsal and anal fins are confluent with caudal fin. Pectoral fins are present, while ventral fins are absent.
Conger eels have habits similar to moray eels. They usually live amongst rocks in holes, or "eel pits", sometimes in one hole together with moray eels. They come out from their holes at night to hunt. These nocturnal predators mainly feed on fish, cephalopods, and crustaceans, although they are thought to scavenge on dead and rotting fish, as well as actively hunt live fish.
This species can be found in the eastern Atlantic from Norway and Iceland to Senegal, and also in the Mediterranean and Black Sea at 0–500 m of deep, although they may reach depths of 3600 m during their migrations. It is sometimes seen in very shallow water by the shore, but can also go down to 1,170 m (3,840 ft). It is usually present on rough, rocky, broken ground, close to the coast when young, moving to deeper waters when adult.
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