. Bulletin of the British Museum (Natural History). Zoology . i58 P. J. P. WHITEHEAD. Fig. 59. Anchoviella guianensis (Eigenmann). From Hildebrand 1964 (modified). d. 1 fish, 39-1 mm , tributary creek of Marowijne river between Mopikondre and Bigiston, Surinam, 17 : 6 : 1966, coll. W. Vervoort, RMNH 26291. e. 1 fish, 35-4 mm , mouth of Marowijne river, Surinam, 2:6: 1966, coll. W. Vervoort, RMNH 26292. /. 4 fishes, 21-9-27-4 mm , mouth of Marowijne river near Galibi, Surinam, 1:6: 1966, RMNH 26293. g. 3 fishes, 23-8-27-3 mm , mouth of Marowijne river near Galibi, o
. Bulletin of the British Museum (Natural History). Zoology . i58 P. J. P. WHITEHEAD. Fig. 59. Anchoviella guianensis (Eigenmann). From Hildebrand 1964 (modified). d. 1 fish, 39-1 mm , tributary creek of Marowijne river between Mopikondre and Bigiston, Surinam, 17 : 6 : 1966, coll. W. Vervoort, RMNH 26291. e. 1 fish, 35-4 mm , mouth of Marowijne river, Surinam, 2:6: 1966, coll. W. Vervoort, RMNH 26292. /. 4 fishes, 21-9-27-4 mm , mouth of Marowijne river near Galibi, Surinam, 1:6: 1966, RMNH 26293. g. 3 fishes, 23-8-27-3 mm , mouth of Marowijne river near Galibi, o5°45' N : 54°oo' W, 1-2 : 7 : 1966, coll. H. Nijssen, ZMA h. 1 fish, 22-1 mm , mouth of Marowijne river, Surinam, 1:7: 1966, coll. H. Nijssen, ZMA Description. Based on 12 fishes, 44-9-62-3 mm , from Guyana (4), Surinam (1) and French Guiana (8), as listed in batches a-c above. 11, D iii (11) 12, P i 12 (13), V i 6, A iii 15 (), 16 (6), 17 (2), 23 (), 24 (5), 25 (2), 26 (3), scales in lateral series 36 (1 fish), vertebrae 40 (1 fish). In percentages of standard length : body depth 18-8-20-4, head length 21-7-23-7 ; snout length 4-4-5-3, eye diameter 6-7-7-8, length of upper jaw 14-2-16-0, length of lower jaw 13-8-15-6 ; pectoral fin length 13-5-16-6, pelvic fin length 10-5-12-5, length of anal base 15-0-17-0 ; pre-dorsal distance 49-8-53-0, pre-pelvic distance 42-2-45-5, pre-anal distance 63-7-67-7. Body fairly compressed, its width 1-66-1-75 (2-25) in its depth, the latter a little less than head length ; snout to occiput about 1-25 in normal head measurement; belly acutely rounded, with a single (pelvic) scute. Snout prominent, 1-33-1*50 times in eye diameter ; eye covered by thin adipose tissue. Maxilla with blunt, sometimes obliquely truncated tip (Figure 60), scarcely projecting beyond tip of 2nd supra-maxilla, failing to reach anterior border of pre-operculum by half pupil diameter, failing to reach articulation of lower jaw b
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