Acidops cessacii (A. Milne-Edwards 1878)

Acidops cessacii (A. Milne Edwards, 1878)

Epimelus Cessacii A. Milne Edwards, 1878:227.

Acidops cessaci.—Monod, 1956:359, figs,469,470.

Acidops cessacii.—Manning and Holthuis, 1981:165.

Material.—Smithsonian 1976 Collection: Sta 5A–76, Shelly Beach: 5 males [5.4–8.3],9 females [6.2–12.4], 1 ovig. [12.3].

Grice Marine Biological Laboratory Collection: Sta 80–41, English Bay, tide pool: 1 specimen.

Operation Origin: Site 6, White Rock, from underside of stone, 10 m: 1 male [11.4].

Other Collections: Jourdan (1977), Long Beach: 1 female [11.8].—Jourdan, English Bay, 20–40 ft (6–12 m): 1 female [12.1].—McDowell, Boatswainbird [Bosunbird] Island, under rocks,30–40 ft (8–12 m): 1 male [13.2], 1 female [11.5].

SIZE.—Carapace lengths of males,5.4–13.2 mm; of females, 6.2–12.4 mm; of ovigerous female, 12.3 mm.

HABITAT.—Intertidal and shallow subtidal, in tide pools or under rocks.

DISTRIBUTION.—West Africa from the Cape Verde Islands, Senegal, and the offshore islands of the Gulf of Guinea; now from Ascension in the central Atlantic; shore to 10–30 meters.

Acidops cessacii (A. Milne Edwards, 1878)

Acidops cessaci.—Monod, 1956:359, figs. 469, 470 [Senegal].—Guinot and Ribeiro, 1962:64, figs. 27, 28 [Cape Verde Islands].—Ribeiro, 1964:13 [Cape Verde Islands].—Forest and Guinot, 1966:88 [Sāo Tomé, Annobon].

Epimelus cessaci.—Garth, 1968:314 [discussion].

DISTRIBUTION.—West Africa, from the Cape Verde Islands, Senegal, and Sāo Tomé and Annobon islands in the Gulf of Guinea; intertidal to 10–30 m.

Typhlocarcinodes Alcock, 1900:326 [a genus established without included nominal species; type-species: Typhlocarcinus integrifrons Miers, 1881, by subsequent designation by Tesch, 1918:227; gender: masculine].

DISTRIBUTION.—West Africa, from localities between Senegal and Dahomey as well as Principe Island in the Gulf of Guinea; sublittoral, from 12 m to 90–100 m. Records in the literature include the following:

Senegal: Gorée (Miers, 1881a; Monod, 1956).

Guinea: 1 mi [1.6 km] SE of Île Blanche, off Conakry, 18 m (Monod, 1956).

Sierra Leone: No specific locality, in 44 m (Monod, 1956); in 16–44 m (Longhurst, 1958).

Ivory Coast: 04°36′N, 06°50′W, 48 m (Crosnier, 1967).

Ghana: 04°37′N, 00°50′W, 90–100 m (Forest and Guinot, 1966).

Dahomey: 06°04′N, 02°26′E, 30 m (Crosnier, 1967).

Principe: 01°39′35″N, 07°26′53″E, 12 m, and 01°37′N, 07°22′E, 30 m (Forest and Guinot, 1966).

HEXAPODINAE Miers, 1886:275.

EASTERN ATLANTIC GENERA.—Four, Hexapinus, new genus, Parahexapus, Pseudohexapus, and Thaumastoplax, each of which is represented by a tropical West African species.

EASTERN ATLANTIC SPECIES.—Four, all occurring off West Africa. This family was not represented in the Pillsbury collections. The following name changes have occurred since Monod (1956):

Name in Monod

Current Name

Hexapus (Thaumastoplax)

anomalipes

Thaumastoplax anomalipes

Hexapus (Pseudohexapus)

platydactylus

Pseudohexapus platydactylus

Hexapus (Parahexapus)

africanus

Parahexapus africanus

Hexapus (Hexapus)

buchanani

Hexapinus buchanani