Euclichthys robertsi, Last & Pogonoski, 2020

Last, Peter R. & Pogonoski, John J., 2020, Revision of the fish family Euclichthyidae (Pisces: Gadiformes) with the description of two new species from the Western Pacific, Zootaxa 4758 (2), pp. 231-256 : 244

Euclichthys robertsi sp. nov.

Figs 1C , 3B , 4A , 5 , 8 , 9C ; Tables 1–2, 5

Euclichthys sp.: Fahay & Markle, 1984.

Euclichthys sp. NFZ1: Clark et al., 2003; Williams et al., 2006; Clark & Roberts, 2008; Zintzen et al., 2011.

Euclichthys polynemus (non McCulloch): Fricke et al., 2011 (in part); Grandperrin & Lehodey, 1992; Markle, 1989; Roberts & Paulin, 1997; Hoese et al., 2006 (in part); Stewart & Roberts, 2015 (in part).

Euclichthys sp. 2 [NSW, in National Fish Collection]: Rees et al., 2020.

Euclichthys sp. 3 [Lord Howe Rise, in National Fish Collection]: Rees et al., 2020.

Figures

FIGURE 1. Illustrations of Euclichthys species:A. E. polynemus; B. E. microdorsalis sp. nov.; C. E. robertsi sp. nov. Copyright S. Barnes.

FIGURE 3. Caudal skeletons of A. Euclichthys microdorsalis sp. nov. (holotype CSIRO H 719-33), B. E. robertsi sp. nov. (holotype MNHN 2014-2945). Abbreviations: see Fig. 2.

FIGURE 4. Proximal views of otoliths of A. E. robertsi sp. nov. (MNHN 2014–2945), B. Euclichthys polynemus (CSIRO H 2578-02), and C. E. microdorsalis sp. nov. (CSIRO H 719-34). Abbreviations: ca—cauda, ci—crista inferior, co—collum, cs—crista superior, ex—excisura, os—ostium, pr—pseudo rostrum, ps—pseudo excisura, ro—rostrum, vg—ventral groove.

FIGURE 5. Distributions of Euclichthys polynemus (green diamond—holotype, green circles—other specimens examined, green triangles—other material from Stewart & Roberts, 2015), E. microdorsalis sp. nov. (yellow diamond—holotype, yellow circles—paratypes) and E. robertsi sp. nov. (red diamond—holotype, red circles—other specimens examined).

FIGURE 8. Lateral view of Euclichthys robertsi sp. nov.: holotype MNHN 2014-2945, 202 mm SL, Norfolk Ridge, New Caledonia (fresh).

FIGURE 9. Lateral view of Euclichthys juveniles: A. E. microdorsalis sp. nov., CSIRO H 579-07, 97 mm SL, near Swains and Saumarez Reefs, Queensland (preserved); B. E. polynemus CSIRO H 7725-08, 85 mm SL, off Coffin Bay, South Australia (fresh); C. E. robertsi sp. nov., CSIRO H 6031-03, 108 mm SL, off Lord Howe Island, Tasman Sea (fresh).