The flesh is edible, and ratfish
liver oil is used for gun oil and fine instruments.
Spotted Ratfish was the only species for which no trend or apparent change in abundance over the sampling period was observed (Table 2; Fig.
All lengths are fork length, except for Spotted Ratfish (precaudal length was measured for this species).
Overall, spotted ratfish (Hydrolagus colliei), spiny dogfish, and flatfish were the dominant taxonomic groups in the survey.
Partial CCA results for the October+July and all-months samples confirmed that 160 m was dominated by spotted ratfish and small spiny dogfish, but that Pacific hake (Merluccius productus), rex sole (Glyptocephalus zachirus), and dover sole (Microstomus pacificus) also typified that depth (Fig.
Taxa showing greater abundance during the night (spotted ratfish [Hydrolagus colliei], hagfishes, rex sole [Glyptocephalus zachirus], sharpchin rockfish [S.
Hagfishes and spotted ratfish were significantly greater in abundance and activity during the night (P<0.
Other individual fish species and groups identified below the generic classification level were dominated by eelpout (Zoarcidae), ratfish
, skates and rays (Raja), and greenling (Hexagrammos spp.
Depending on the year, they were also grouped with Lingcod, Spotted Ratfish
, Rex Sole, Pacific Spiny Dogfish, and Pacific Sanddab (Citharichthys sordidus) (Table 2).
8 million project aimed at understanding the evolutionary relationships of all Chondrichthyans which includes not only ratfish
, but also sharks, rays and chimaeras.
It is, as you'd expect, quirky, filled with objets d'art, like a pickled ratfish
, a small, sharklike fish that is Troll's personal totem.
Rare fossils include annelid worms, crabs, a spiny lobster, a ratfish
, a ray, a few bony fishes, and the reptiles reported here Reptiles have not been previously reported from the Paleocene or Eocene of any state or province bordering the Great Lakes.