Trapezia bidentata ( Forskål, 1775 )

Castro, Peter, 2011, Catalog of the anomuran and brachyuran crabs (Crustacea: Decapoda: Anomura, Brachyura) of the Hawaiian Islands 2947, Zootaxa 2947 (1), pp. 1-154 : 80

Trapezia bidentata ( Forskål, 1775)

Cancer bidentatus Forskål, 1775: 90 [type locality: Red Sea; neotype: MNHN-B27680]. Hawaiian Is. records: Trapezium cymodoce (Herbst, 1801) — Randall 1840: 117 [“Sandwich Is.”]. (not Cancer cymodoce Herbst, 1801 ) Trapezia cymodoce (Herbst, 1801) — Dana 1852b: 257, pl. 15, fig. 5a [color]–i [“Sandwich Is.”]. — Cano 1889b:

211 [O‘ahu]. — Edmondson 1946: 301 [H.I.?]; 1962a: 297 [H.I.?]. — Barry 1965: 23 [O‘ahu]. — Brock et al. 1965: 14 [ Johnston Atoll]. — Titgen 1987: 109 [H.I.]. (not Cancer cymodoce Herbst, 1801 ) Trapezia ferrugginea [sic] (Latreille, 1828) — Cano 1889a: 102 [H.I.]. Grapsillus ferrugineus (Latreille, 1828) — Rathbun 1906: 865 [H.I.].? Grapsillus cymodoce (Herbst, 1801) — Rathbun 1906: 865, pl. 11, fig. 6 [ZMB holotype of Cancer cymodoce

Herbst, 1801, now lost (see K. Sakai 1999)] [H.I.?]. (not Cancer cymodoce Herbst, 1801 )? Trapezia cymodoce var. — Pesta 1933: 280 [H.I.]. (not Cancer cymodoce Herbst, 1801 ) Trapezia cymodoce ferruginea (Latreille, 1828) — Edmondson 1925: 41 [H.I., Johnston Atoll]; 1962a: 217, 218,

298 [H.I.]. Trapezia ferruginea (Latreille, 1828) — Preston 1973: 470, fig. 1–3 [H.I.]. — Amerson & Shelton 1976: 76

[ Johnston Atoll]. — Huber 1985a: 79 [O‘ahu]; 1985b: 24 [O‘ahu]. — Coles 1986: 309, 311 [H.I.]. —

Huber & Coles 1986: 23 [O‘ahu]. — Castro 1998: 73 [H.I.]. — Coles et al. 2001: 53 [ Johnston Atoll]. —

Coles, DeFelice & Eldredge 2002b: 136, 224 [O‘ahu]. — DeFelice et al. 2002: 30, 72 [French Frigate

Shoals]. — Coles, Eldredge, Kandel, Reath & Longenecker 2004: 65 [Maui, Hawai‘i]. Trapezia bidentata ( Forskål, 1775) — Hoover 2006: 284, color photograph [O‘ahu]. — Coles et al. 2008: 48, 63

[Moloka‘i, Lāna‘i]. — Coles & Swenson 2010: 75, 88 [Kaula Rock, Ni‘ihau, Moloka‘i]. Remarks. Some of the records of T. cymodoce from the Hawaiian Is. clearly belong to T. bidentata . Others, however, are questionable because the specimens were not available for proper identification. Taxonomy. Serène (1984, as Trapezia ferruginea ), Castro (1997a, 1998, as T. ferruginea ), Castro et al. (2004) Geographical distribution. Across Indo-West Pacific and Tropical Eastern Pacific regions. Habitat. Symbiont of scleractinian reef corals ( Pocillopora and other pocilloporids); shallow subtidal to 55 m.