• Source: Helcogramma

Helcogramma is a genus in the triplefin family Tripterygiidae. The blennies in the genus Helcogramma are found throughout the Indo-Pacific and in the South Atlantic Ocean off the islands of St Helena and Ascension.




Characteristics


The fishes in the genus Helcogramma are characterised by the possession of a continuous lateral line which bends down towards the operculum, this lateral line comprises 7–39 tubular pored scales. There are three spines in the first dorsal fin and the anal fin has one spine, the pelvic fin has a single spine and two rays. The head is scaleless and normally the bases of the dorsal and anal fins have a scaleless strip. There are five bones in the joint between the caudal fin and the vertebrae, the hypurals.




Species


There are currently 41 recognized species in this genus:

Helcogramma albimacula J. T. Williams & Howe, 2003 (Whitespot triplefin)
Helcogramma alkamr Holleman, 2007
Helcogramma aquila J. T. Williams & C. J. McCormick, 1990 (Darktail triplefin)
Helcogramma ascensionis Lubbock, 1980 (Ascension triplefin)
Helcogramma atauroensis Fricke & Erdmann, 2017
Helcogramma billi P. E. Hadley, 1986
Helcogramma capidata Rosenblatt, 1960 (Hooded triplefin)
Helcogramma cerasina J. T. Williams & Howe, 2003
Helcogramma chica Rosenblatt, 1960 (Little hooded triplefin)
Helcogramma decurrens McCulloch & Waite, 1918 (Black-throated triplefin)
Helcogramma desa J. T. Williams & Howe, 2003 (Neglected triplefin)
Helcogramma ellioti (Herre, 1944)
Helcogramma ememes Holleman, 2007
Helcogramma fuscipectoris (Fowler, 1946) (Fourspot triplefin)
Helcogramma fuscopinna Holleman, 1982 (Blackfin triplefin)
Helcogramma gymnauchen (M. C. W. Weber, 1909) (Red-finned triplefin)
Helcogramma hudsoni (D. S. Jordan & Seale, 1906) (Hudson's triplefin)
Helcogramma inclinata (Fowler, 1946) (Triangle triplefin)
Helcogramma ishigakiensis Aoyagi, 1954
Helcogramma kranos R. Fricke, 1997 (Helmet triplefin)
Helcogramma lacuna J. T. Williams & Howe, 2003
Helcogramma larvata R. Fricke & J. E. Randall, 1992
Helcogramma maldivensis R. Fricke & J. E. Randall, 1992
Helcogramma microstigma Holleman, 2006
Helcogramma nesion J. T. Williams & Howe, 2003
Helcogramma nigra J. T. Williams & Howe, 2003 (Rotuma triplefin)
Helcogramma novaecaledoniae R. Fricke, 1994 (New Caledonian triplefin)
Helcogramma obtusirostris (Klunzinger, 1871) (Hotlips triplefin)
Helcogramma randalli J. T. Williams & Howe, 2003 (Randall's triplefin)
Helcogramma rharhabe Holleman, 2007
Helcogramma rhinoceros P. E. Hadley, 1986 (Rhinocerus triplefin)
Helcogramma rosea Holleman, 2006 (Rosy triplefin)
Helcogramma serendip Holleman, 2007
Helcogramma shinglensis Lal Mohan, 1971
Helcogramma solorensis R. Fricke, 1997 (Solor triplefin)
Helcogramma springeri P. E. Hadley, 1986 (Springer's triplefin)
Helcogramma steinitzi E. Clark, 1980 (Red triplefin)
Helcogramma striata P. E. Hadley, 1986 (Tropical striped triplefin)
Helcogramma trigloides (Bleeker, 1858) (Scarf triplefin)
Helcogramma vulcana J. E. Randall & E. Clark, 1993 (Volcano triplefin)
Helcogramma williamsi M. C. Chiang & I. S. Chen, 2012




References

Kata Kunci Pencarian:

• Helcogramma
• Lacuna
• Helcogramma ascensionis
• Helcogramma billi
• Helcogramma trigloides
• Helcogramma shinglensis
• Helcogramma desa
• Helcogramma serendip
• Helcogramma alkamr
• Helcogramma nigra