Biology:Acropomatidae

Short description: Family of fishes

Acropomatidae Temporal range: 55.5–0 Ma Early Eocene to Present PreЄ Є O S D C P T J K Pg N
Synagrops bellus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Perciformes
Superfamily:	Percoidea
Family:	Acropomatidae T. N. Gill, 1893
Genera
See text

Acropomatidae is a family of fish in the order Perciformes, commonly known as lanternbellies. Acropoma species are notable for having light-emitting organs along their undersides. They are found in all temperate and tropical oceans, usually at depths of several hundred meters. There are about 32 species in as many as 9 genera, although some authorities recognise fewer genera than Fishbase does.

Members of the family are generally small, with some ranging up to 40 cm, but most no more than 15 cm. They have two dorsal fins, the first with seven to 10 spines and the second with possibly a spine in addition to eight to 10 soft rays. The anal fin has two or three spines, and the pelvic fins one spine and five soft rays.

Timeline of genera

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Genera

The following nine genera are currently placed within the family Acropomatidae:

• Acropoma Temminck & Schlegel, 1843
• Apogonops Ogilby, 1896
• Caraibops Schwarzhans & Prokofiev, 2017
• Doederleinia Steindachner, 1883
• Kaperangus Schwarzhans & Prokofiev, 2017
• Malakichthys Döderlein, 1883
• Neoscombrops Gilchrist, 1922
• Parascombrops Alcock, 1889
• Synagrops Günther, 1887
• Verilus Poey, 1860

The 5th edition of Fishes of the World lists seven valid genera while the Catalog of Fishes only recognises five.

Taxonomy

The Acriopomatidae is placed in the order Perciformes, the suborder Percoidei and the superfamily Percoidea in the 5th edition of Fishes of the World. However, during the 21st Century molecular studies have indicated that a variety of mainly deep-sea fishes which were traditionally placed in the Perciformes, including the Acropomatidae, and in the Trachiniformes in fact from a newly recognised clade which has been named either the Acropomatiformes or Pempheriformes. Within the Acropomatidae phylogenetic work has suggested that the genera Acropoma and Doederleinia are separate from the other genera in the traditional arrangement of the family with two other recognised lineages being placed in the separate families Malakichthyidae and Synagropidae.

This classification would be as follows:

• Acropmatidae
  • Acropoma
  • Doederleinia
• Malakichthyidae
  • Apogonops
  • Neoscombrops
  • Malakichthys
  • Verilus
• Synagropidae
  • Caraibops
  • Kaperangus
  • Parascombrops
  • Synagrops

References

Wikidata ☰ Q280743 entry