Boltenia villosa ( Stimpson, 1864 )

Lambert, Gretchen, 2019, The Ascidiacea collected during the 2017 British Columbia Hakai MarineGEO BioBlitz, Zootaxa 4657 (3), pp. 401-436 : 424

Boltenia villosa ( Stimpson, 1864)

Figure 12C

IHAK 12 BHAK 0607, 0608 UF 2465. Three very small specimens, under rocks by lab, low intertidal. BHAK 0734 vouchered as tissue sample only.

IHAK 18 BHAK 0640, 0641 UF 2491, 2492. Under lab dock. Three specimens, smallest one discarded.

IHAK 52 A Mouth of Kwakshua, Scuba, 5 m. One small .

MHAK 14 BHAK 0624 UF 2475. Tippy Rock Bay, low intertidal. Small. With M. taylori , P. annectens .

Rarely over 3 cm in width, usually bright red, with widely separated siphons at the anterior end of the somewhat heart-shaped body, and a stalk of variable length which can be as much as four times the body length ( O’Clair & O’Clair 1998). The tunic is always thickly covered with hairs of various lengths that may be minutely branched, resulting in the body often being covered with detritus and various epibionts. For detailed description see Huntsman (1912b) and Van Name (1945); other descriptions and distribution in Abbott & Newberry (1980), O’Clair & O’Clair (1998), and Lamb & Hanby (2005). Native to the NE Pacific coast from Alaska to southern California.

Figures

FIGURE 12.A–D: Pyuridae; E, F: Molgulidae.A: Halocynthia aurantium 10 cm in length; B: Halocynthia igaboja; C: Boltenia villosa; D: Pyura haustor; E: Molgula pacifica whole animal left side, tunic removed; F: M. pacifica close-up of siphons. Scale bars: B, 5 mm; C, 5 mm; D, 5 mm; E, 1.6 mm.