Home Acknowledgments Conventions Glossary Maps References Links Articles Thumbnails Species list Family Next species _______________   Additional Photos   reddish   underside   shell _______________   GALLERY	Biuve sp. #4   Maximum size:  30 mm. Identification:  This species is superficially similar to Biuve cf. fulvipunctata. However, its white patches are more diffuse, it lacks any sign of longitudinal lines and it lacks a central orange spot on the front of its head. It also reaches a larger size and has a more elongate internal shell with a larger protoconch and no brown tint at the apex. Natural history:  Biuve sp. #4 is a rare species found in moderately exposed rocky habitats. It is known from tide pools and subtidally to 15 m (50 ft). It shows a nocturnal activity pattern when held in a dish and, unlike B. cf. fulvipunctata, produces extensive defensive mucus when handled. Distribution:  Oahu, Maui and Lanai. Taxonomic notes:  This species was first recorded in Hawaii from Maliko Bay, Maui by PF on May 23, 1992. Manuel Malaquias suggested that it's a Biuve and stated that its inclusion as a Mannesia in Table 1 of Zamora-Silva & Malaquias (2017) was erroneous. (pers. com.) It's also been listed in some sources as a Chelidonura, Navanax or Aglaja. Photo:  PF: 30 mm: Maliko Bay, Maui; May 23, 1992. Observations and comments: Note 1:  ( )
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