| Ibacus alticrenatus | |
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| Species: | I. alticrenatus |
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| Ibacus alticrenatus Spence Bate, 1888 | |
Ibacus alticrenatus is a species of slipper lobster that lives in the waters of Australia and New Zealand.
Ibacus alticrenatus is one of the smaller species of Ibacus . [2] Males reach a maximum carapace length of 55 millimetres (2.2 in), with females slightly larger, at up to 65 mm (2.6 in). [2] The maximum total length is 16 centimetres (6.3 in). [3] There are typically 8, but occasionally 7 or 9, teeth along either edge of the carapace, behind the cervical incision. [3]
Around Australia, I. alticrenatus is found from the North West Cape in Western Australia, around the country's south coast, to 20° south in northern Queensland. [2] Although I. brucei has also been recorded from the Kermadec Islands and the West Norfolk Ridge, I. alticrenatus is the only slipper lobster to occur around the main islands of New Zealand. [2]
Females reach sexual maturity at a median carapace length of 39 millimetres (1.5 in). [2] They produce between 1700 and 14,800 eggs, with diameters of 0.94–1.29 mm (0.04–0.05 in). The eggs are incubated on the female's pleopods for 3–4 months before hatching; this occurs from April to October, with rates peaking in July. [2] The larvae pass through seven flattened phyllosoma stages over 4–6 months, growing from around 2.5 mm (0.1 in) to around 40 mm (1.6 in). [2] The succeeding moult is accompanied by a metamorphosis into the juveniles form (known as the "puerulus" or "nisto" stage), which much more closely resembles the adult form. There is a final "post-puerulus" stage before the animal reaches adulthood. [4]
Ibacus alticrenatus was first described in 1888 by Charles Spence Bate. [5] The type locality was Station 167 of the Challenger expedition, at a depth of 150 fathoms (900 ft; 270 m), at 39°32′S171°48′E / 39.533°S 171.800°E . Four syntypes are held in the Natural History Museum in London. [3]
Common names for the species include "deep water bug" (Australia), "sandy bug" (Australia), "prawn killer" (New Zealand) and "velvet fan lobster", the last being the name preferred by the Food and Agriculture Organization. [3] [6]
Ibacus alticrenatus lives at depths of 20–455 m (66–1,493 ft), on soft, muddy bottoms, where it can bury itself in the sediment. [1]
The highest total landing in New Zealand for any fishing season was 49.12 t in 1992–1993. [7] I. alticrenatus was added to New Zealand's Quota Management System on October 1, 2007, [8] and the total allowable catch was set to 37.4 t.The majority of the catch is taken in the area to the north of North Island. [7] Because of its wide range, Ibacus alticrenatus is listed as Least Concern on the IUCN Red List. [1]
Spiny lobsters, also known as langustas, langouste, or rock lobsters, are a family (Palinuridae) of about 60 species of achelate crustaceans, in the Decapoda Reptantia. Spiny lobsters are also, especially in Australia, New Zealand, Ireland, South Africa, and the Bahamas, called crayfish, sea crayfish, or crawfish, terms which elsewhere are reserved for freshwater crayfish.
The California spiny lobster is a species of spiny lobster found in the eastern Pacific Ocean from Monterey Bay, California, to the Gulf of Tehuantepec, Mexico. It typically grows to a length of 30 cm (12 in) and is a reddish-brown color with stripes along the legs, and has a pair of enlarged antennae but no claws. The interrupted grooves across the tail are characteristic for the species.
Jasus edwardsii, the southern rock lobster, red rock lobster, or spiny rock lobster, is a species of spiny lobster found throughout coastal waters of southern Australia and New Zealand including the Chatham Islands. This species is commonly called crayfish or crays in both Australia and New Zealand and kōura in Māori. They resemble lobsters, but lack the large characteristic pincers on the first pair of walking legs.
Lobsters are widely fished around the world for their meat. They are often hard to catch in large numbers, but their large size can make them a profitable catch. Although the majority of the targeted species are tropical, the majority of the global catch is in temperate waters.
Nephrops norvegicus, known variously as the Norway lobster, Dublin Bay prawn, langoustine or scampi, is a slim, orange-pink lobster which grows up to 25 cm (10 in) long, and is "the most important commercial crustacean in Europe". It is now the only extant species in the genus Nephrops, after several other species were moved to the closely related genus Metanephrops. It lives in the north-eastern Atlantic Ocean, and parts of the Mediterranean Sea, but is absent from the Baltic Sea and Black Sea. Adults emerge from their burrows at night to feed on worms and fish.
Slipper lobsters are a family (Scyllaridae) of about 90 species of achelate crustaceans, in the Decapoda clade Reptantia, found in all warm oceans and seas. They are not true lobsters, but are more closely related to spiny lobsters and furry lobsters. Slipper lobsters are instantly recognisable by their enlarged antennae, which project forward from the head as wide plates. All the species of slipper lobsters are edible, and some, such as the Moreton Bay bug and the Balmain bug are of commercial importance.
Metanephrops challengeri is a species of slim, pink lobster that lives around the coast of New Zealand. It is typically 13–18 cm (5–7 in) long and weighs around 100 g (3.5 oz). The carapace and abdomen are smooth, and adults are white with pink and brown markings and a conspicuous pair of long, slim claws. M. challengeri lives in burrows at depths of 140–640 m (460–2,100 ft) in a variety of sediments. Although individuals can live for up to 15 years, the species shows low fecundity, where small numbers of larvae hatch at an advanced stage.
Thenus orientalis is a species of slipper lobster from the Indian and Pacific oceans.
Ibacus peronii, the Balmain bug or butterfly fan lobster, is a species of slipper lobster. It lives in shallow waters around Australia and is the subject of small-scale fishery. It is a flattened, reddish brown animal, up to 23 cm (9 in) long and 14 cm (6 in) wide, with flattened antennae and no claws.
Metanephrops boschmai, known as the Bight lobster, Bight scampi or Boschma's scampi, is a species of lobster endemic to Western Australia.
Acanthacaris is a genus of deep-water lobsters. It contains two species, A. caeca and A. tenuimana, and is the only genus in the subfamily Neophoberinae.
Nephropsis rosea, sometimes called the rosy lobsterette or two-toned lobsterette, is a species of lobster.
Scyllarides latus, the Mediterranean slipper lobster, is a species of slipper lobster found in the Mediterranean Sea and in the eastern Atlantic Ocean. It is edible and highly regarded as food, but is now rare over much of its range due to overfishing. Adults may grow to 1 foot (30 cm) long, are camouflaged, and have no claws. They are nocturnal, emerging from caves and other shelters during the night to feed on molluscs. As well as being eaten by humans, S. latus is also preyed upon by a variety of bony fish. Its closest relative is S. herklotsii, which occurs off the Atlantic coast of West Africa; other species of Scyllarides occur in the western Atlantic Ocean and the Indo-Pacific. The larvae and young animals are largely unknown.
Eunephrops manningi, the banded lobster, is a species of lobster found in the Florida Straits and off the coast of Anguilla. It was named in 1974 by Lipke Holthuis after his good friend Raymond B. Manning. It grows to a length of 15 centimetres (6 in) and lives at depths of 450–550 metres (1,480–1,800 ft). While it is large enough to be a target for commercial lobster fishing, this is precluded by its rarity, only three specimens having ever been collected. It can be distinguished from other species in the genus by the lack of post-cervical spines on the carapace, and by the presence of only transverse grooves on the body segments of the abdomen.
Arctides guineensis is a species of slipper lobster which lives in the Bermuda Triangle. It is known in Bermuda as the small Spanish lobster, a name which is also favoured by the FAO.
Scyllarides aequinoctialis is a species of slipper lobster that lives in the western Atlantic Ocean from South Carolina to São Paulo State, Brazil, including the Gulf of Mexico, Caribbean Sea and Bermuda. Its common name is Spanish slipper lobster. It grows up to 30 centimetres (12 in) long, with a carapace 12 cm (4.7 in) long. S. aequinoctialis is the type species of the genus Scyllarides, and the first species of slipper lobster to be described from the Western Atlantic.
Scyllarus pygmaeus is a species of slipper lobster that lives in shallow water in the Mediterranean Sea and eastern Atlantic Ocean. It grows to a length of 55 mm (2.2 in), which is too small for it to be fished for. The juvenile form was first described in 1885, with the description of the adult following in 1888 as a result of the Challenger expedition.
Nephropides caribaeus is a species of lobster, the only species in the genus Nephropides. It is found in western parts of the Caribbean Sea, from Belize to Colombia. It grows to a total length of around 170 mm (6.7 in), and is covered in conspicuous tubercles.
Ibacus ciliatus is a species of slipper lobster from the north-west Pacific Ocean.
Shrimp are decapod crustaceans with elongated bodies and a primarily swimming mode of locomotion – most commonly Caridea and Dendrobranchiata. More narrow definitions may be restricted to Caridea, to smaller species of either group or to only the marine species. Under a broader definition, shrimp may be synonymous with prawn, covering stalk-eyed swimming crustaceans with long narrow muscular tails (abdomens), long whiskers (antennae), and slender legs. Any small crustacean which resembles a shrimp tends to be called one. They swim forward by paddling with swimmerets on the underside of their abdomens, although their escape response is typically repeated flicks with the tail driving them backwards very quickly. Crabs and lobsters have strong walking legs, whereas shrimp have thin, fragile legs which they use primarily for perching.
