Euclichthys polynemus McCulloch, 1926

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 : 236

Euclichthys polynemus McCulloch, 1926

Figs 1A , 2 , 4B , 5 , 6 , 9B ; Tables 1–3

Euclichthys polynemus McCulloch, 1926: 174 , Pl. 44 (fig. 2).

Figures

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

FIGURE 2. Posterior tail of Euclichthys polynemus (holotype AMS E.6623, A) with caudal skeleton enlarged (B). Abbreviations: bcr, branched caudal ray; dpr1, dorsal procurrent ray 1; epi, epural 1; epii, epural 2; hy1-2, hypurals 1-2; hy3-5, hypural 3-5; hpu2, hemal spines on preural centrum 2; lar, last anal ray; ldr, last dorsal ray; npu2, neural spines on preural centrum 2; ph, parahypural, pu2-7, preural centra 2-7; pu1+u1, fused preural centra 1 and ural centrum 1; un, uroneural; u2, ural centrum 2; vpr1, ventral procurrent ray 1; X, accessory dorsal caudal-fin bone; Y, accessory ventral caudal-fin bone.

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 6. Lateral view of Euclichthys polynemus: A. Holotype AMS E.6623, 241 mm SL, Eucla, southern Australia (preserved); B. Non-type CSIRO H 2107-01, 207 mm SL, Cape Naturaliste, Western Australia (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).