Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371
Author
Wicksten, Mary K.
text
Zootaxa
2012
2012-07-04
3371
1
307
journal article
11755334
Eualus macrophthalmus
(Rathbun, 1902)
(
Fig. 19B, C
)
Spirontocaris macrophthalma
Rathbun, 1902a: 900
;
1904: 105
, fig. 48. —
Schmitt 1921: 72
, fig. 49.
Eualus macrophthalmus
. —
Holthuis 1947: 11
. —
Kozloff 1974: 166
. —
Word & Charwat 1976: 105
. —
Butler 1980: 189
, pl. 8A. —
Wicksten 1989b: 312
;
1990b: 593
;
2002: 137
. —
Chace 1997: 43
. —
Jensen 2004: 468
.
Diagnosis.
Rostrum deep, reaching beyond antennular peduncle, with 10–14 dorsal, 1–4 ventral teeth, apex acute. Second and third segments of antennular peduncle with terminal spines, stylocerite not reaching end of first segment. Carapace with pterygostomian tooth minute or absent. Pereopod 1 moderately large, pereopod 2 slender. Pereopods 3–5 long, slender, with slender, simple dactyls. Merus of pereopod 3, with 5 or 6 spines; pereopod 4, with 5 or 6 spines; pereopod 5, with 4 spines. Pleura of abdominal somites 1–4 rounded, 5 with ventral point. Telson with 5 or 6 pairs dorsolateral spines.
Male
total length to
43 mm
, female to
71 mm
.
Color in life
.
Pale yellow with red speckling (
Butler 1980
).
Habitat and depth.
The species may be pelagic (
Butler 1980
),
110–1163 m
..
Range.
Unalaska to Point
Sur, California
.
Type
locality off
Tawit Head
,
Washington
.
Word & Charwat (1976)
erroneously reported it from Tanner Bank. The specimen in question was collected with a "Tanner trawl" off
Monterey County
,
California
.