Hyperolius nasutus

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Hyperolius nasutus
Amplexant pair of unidentified Hyperolius from Gabon.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Hyperoliidae
Genus: Hyperolius
Species:
H. nasutus
Binomial name
Hyperolius nasutus
Günther, 1865
Synonyms [2]
  • Rappia nasuta (Günther, 1865)
  • Rappia punctulata Bocage, 1895
  • Hyperolius punctulatus (Bocage, 1895)

Hyperolius nasutus is a species of frog in the family Hyperoliidae. Common names include long-nosed reed frog, sharp-nosed reed frog and long reed frog. It is known from northern Angola and northern Botswana (Okavango Delta), but it presumably occurs more widely (including the intervening Namibia). [1] [2] The nominal Hyperolius nasutus was partitioned in 2013 into three cryptic species, the other two being Hyperolius viridis and Hyperolius microps (formerly Hyperolius acuticeps). [2] [3] All these species are members of the so-called Hyperolius nasutus species group, the "long reed frogs". [3]

Contents

Description

A "representative" adult male measures 17 mm (0.67 in) in snout–urostyle length. The snout is rounded. There is no externally visible tympanum. The body is long and slender. The limbs are slender. The fingers and toes are webbed and broad, rounded discs (smaller on the toes). The dorsum is light green with more or less translucent skin. The limbs are green and sides of the snout and area above eyes are reddish brown. The back is covered small and large dark spots. A moderately broad dorso-lateral stripe runs along each side of the body. The iris is reddish brown. Males have single median vocal sac that is pale yellow in colour and triangular in shape. [3]

The male advertisement call is a "buzz" of eight pulses and has a duration of 0.1 seconds.

Habitat and conservation

Hyperolius nasutus is found at the margins of swamps, rivers, and lakes in savanna and grassland habitats. It is associated with emergent vegetation and sedges. It can also be found near human settlements. It is a common species and no significantly threats to it are known. Furthermore, it occurs in some protected areas. [1]

Related Research Articles

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<i>Hyperolius benguellensis</i> Species of frog

Hyperolius benguellensis is a species of frog in the family Hyperoliidae. It is found in southern Angola and northern Botswana and Namibia, but other sources cite a wider and more eastern distribution. It is similar to Hyperolius nasutus and have been considered a synonym of that species. Hyperolius benguellensis is not considered threatened.

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<i>Hyperolius guttulatus</i> Species of frog

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Hyperolius nitidulus is a species of frog from the family Hyperoliidae. It is found on the West African savannas between Guinea and Mali in the west and Nigeria and Cameroon in the east. Common name plain reed frog has been coined for it.

Hyperolius obscurus is a species of frog in the family Hyperoliidae. It is a poorly known species known only from its holotype collected from Sandoa, in Kasai Province, south-western Democratic Republic of the Congo, near the border with Angola. Common name Kasai reed frog has been proposed for it.

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<i>Hyperolius picturatus</i> Species of frog

Hyperolius picturatus is a species of frog in the family Hyperoliidae. It is found in northern and eastern Sierra Leone, southern Guinea, Liberia, Ivory Coast, and Ghana; its range might extend to Togo. Common names coined for this species are Tanzania reed frog and variable montane sedge frog.

Hyperolius pseudargus, also known as the Mette's reed frog, is a species of frogs in the family Hyperoliidae. It is endemic to south-central Tanzania and occurs in the Udzungwa Mountains and south to Njombe in the Southern Highlands. Male Hyperolius pseudargus greatly resemble Hyperolius argus but have less webbing between the toes and the male advertisement call is different. The vernacular name refers to Mette Westergaard, Danish biologist who collected the holotype and is the junior describer of this species.

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<i>Hyperolius spinigularis</i> Species of frog

Hyperolius spinigularis is a species of frog in the family Hyperoliidae. It is found in the Mulanje Massif in southern Malawi and the Namuli Massif in adjacent Mozambique. Records from Tanzania refers to other species. Males of this species have characteristic small spines during the breeding season. Its common names are spiny-throated reed frog, spiny reed frog, and Mulanje reed frog.

Hyperolius vilhenai is a species of frog in the family Hyperoliidae. It is only known from its type locality, Cuílo, along the Luita River in northern Angola, although it is likely to occur in adjacent Democratic Republic of the Congo. Additional specimens from the Cangandala National Park have been provisionally assigned to this species. The specific name vilhenai honours Ernesto Jardim de Vilhena, a Portuguese naval officer, politician, and businessman. Common names Luita River reed frog and Vilhena's reed frog have been proposed for this frog.

References

  1. 1 2 3 IUCN SSC Amphibian Specialist Group (2016). "Hyperolius nasutus". IUCN Red List of Threatened Species . 2016: e.T84385749A18379369. doi: 10.2305/IUCN.UK.2016-1.RLTS.T84385749A18379369.en .
  2. 1 2 3 Frost, Darrel R. (2017). "Hyperolius nasutus Günther, 1865". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 14 November 2017.
  3. 1 2 3 Channing, A.; Hillers, A.; Lötters, S.; Rödel, M.-O.; Schick, S.; Conradie, W.; Rödder, D.; Mercurio, V.; Wagner, P.; Dehling, J. M.; Preez, L. H. Du; Kielgast, J.; Burger, M.; et al. (2013). "Taxonomy of the super-cryptic Hyperolius nasutus group of long reed frogs of Africa (Anura: Hyperoliidae), with descriptions of six new species". Zootaxa. 3620 (3): 301–350. doi:10.11646/zootaxa.3620.3.1. PMID   26120712.
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