Siphonostomatoida Burmeister 1835

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Stages of development of Lernaea branchialis. A, Nauplius, just hatched; B, young female taken from gills of flounder; C, free-swimming stage of female, after leaving flounder; D, free-swimming male; E, female just after settling on gills of whiting; F, fully-developed female

Figure 1.Caligus evelynae sp.n., adult female from Venezuela: A habitus, dorsal view B sternal furca, ventral view C antennule D antenna E postantennal process (b) and maxillule (a) F maxilla G detail of calamus and canna H maxilliped I genital complex and abdomen, ventral view. Scale bars: A, I=0.5 mm, B–F, H =0.1 mm, G=0.05 mm.

Figure 1.Sarcotretes umitakae sp. n., female on Coelorinchus jordani Smith and Pope. A two specimens of Coelorinchus jordani (181.5 mm TL and 142.8 mm TL) carrying the type series of Sarcotretes sp. n. (arrowheads) B coloration in life of paratype NSMT–Cr 22254 attached to host’s body. Scale bars: A=20 mm; B=3 mm.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Figure 2.Caligus evelynae sp.n., adult female from Venezuela: A first leg B detail of distal elements of first leg C second leg D detail of exopodal segments of second leg E third leg F fourth leg G detail of terminal elements of fourth leg H fifth leg I caudal ramus, dorsal. Scale bars: A,C, F, E=0.1 mm, B, D, G, H, I=0.025 mm.

Figure 2.Sarcotretes umitakae sp. n., female, holotype NSMT–Cr 22253. A habitus B anterior portion of body, dorsal, a1 = antennule, a2 = antenna C same, ventral, m1 = maxillule, m2 = maxilla, p1 = leg 1, p2 = leg 2, p3 = leg 3, p4 = vestige of leg 4 D vestige of dorsal cephalothoracic shield E tip of proboscis, lateral F posterior portion of body, ventral G same, lateral H rostral area and antennae, dorsal. Scale bars: A=3 mm; B, C, F, G=1 mm; D=500 μm; E=300 μm; H=150 μm.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Figure 3.Caligus evelynae sp.n., adult male from Venezuela: A habitus, dorsal view B antenna C detail of distal part of antenna D sternal furca, ventral view E postantennal process and maxillule F maxilla G detail of calamus and canna H maxilliped I fourth leg, detail of distal elements J fifth and sixth legs K first leg, distal segment of exopod. Scale bars: A=0.5 mm, B,D–F, H=0.1 mm, C, G, I, J=0.03 mm; K=0.07 mm.

Figure 3.Sarcotretes umitakae sp. n., female, holotype NSMT–Cr 22253. A left antennule, anterior B left antenna, anterior C left mandible D left maxillule E left maxilla, lateral F distal part of left maxilla G right leg 1, anterior. Scale bars: A, B, E, G=100 μm; C, D=70 μm; F=50μm.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Figure 4.Sarcotretes umitakae sp. n., female, holotype NSMT–Cr 22253. A left leg 2, anterior B right leg 3, anterior C vestige of leg 4. Sarcotretes umitakae sp. n., female, paratype NSMT–Cr 22254 D habitus. Scale bars: A, B=100 μm; C=30 μm; D=3 mm.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.