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Lumpfish :: Lumpfish (n.) A large, thick, clumsy, marine fish (Cyclopterus lumpus) of Europe and America. The color is usually translucent sea green, sometimes purplish. It has a dorsal row of spiny tubercles, and three rows on each side, but has no scales. The ventral fins unite and form a ventral sucker for adhesion to stones and seaweeds. Called also lumpsucker, cock-paddle, sea owl..

Meson :: Meson (n.) The mesial plane dividing the body of an animal into similar right and left halves. The line in which it meets the dorsal surface has been called the dorsimeson, and the corresponding ventral edge the ventrimeson..

Posterior :: Posterior (a.) At or toward the caudal extremity; caudal; -- in human anatomy often used for dorsal.

Notopodium :: Notopodium (n.) The dorsal lobe or branch of a parapodium. See Parapodium.

Postscutellum :: Postscutellum (n.) The hindermost dorsal piece of a thoracic somite of an insect; the plate behind the scutellum.

Fulcrum :: Fulcrum (n.) One of the small, spiniform scales found on the front edge of the dorsal and caudal fins of many ganoid fishes..

Chordata :: Chordata (n. pl.) A comprehensive division of animals including all Vertebrata together with the Tunicata, or all those having a dorsal nervous cord..

Dorsad :: Dorsad (adv.) Toward the dorsum or back; on the dorsal side; dorsally.

Rhinophore :: Rhinophore (n.) One of the two tentacle-like organs on the back of the head or neck of a nudibranch or tectibranch mollusk. They are usually retractile, and often transversely furrowed or plicate, and are regarded as olfactory organs. Called also dorsal tentacles. See Illust. under Pygobranchia, and Opisthobranchia..

Ammonite :: Ammonite (n.) A fossil cephalopod shell related to the nautilus. There are many genera and species, and all are extinct, the typical forms having existed only in the Mesozoic age, when they were exceedingly numerous. They differ from the nautili in having the margins of the septa very much lobed or plaited, and the siphuncle dorsal. Also called serpent stone, snake stone, and cornu Ammonis..

Tethys :: Tethys (n.) A genus of a large naked mollusks having a very large, broad, fringed cephalic disk, and branched dorsal gills. Some of the species become a foot long and are brilliantly colored..

Triple-tail :: Triple-tail (n.) An edible fish (Lobotes Surinamensis) found in the warmer parts of all the oceans, and common on the southern and middle coasts of the United States. When living it is silvery gray, and becomes brown or blackish when dead. Its dorsal and anal fins are long, and extend back on each side of the tail. It has large silvery scales which are used in the manufacture of fancy work. Called also, locally, black perch, grouper, and flasher..

Threadfish :: Threadfish (n.) A carangoid fish (Caranx gallus, or C. crinitus) having the anterior rays of the soft dorsal and anal fins prolonged in the form of long threads..

Supersaliency :: Supersacral (a.) Situated over, or on the dorsal side of, the sacrum..

Sunfish :: Sunfish (n.) Any one of numerous species of perch-like North American fresh-water fishes of the family Centrachidae. They have a broad, compressed body, and strong dorsal spines. Among the common species of the Eastern United States are Lepomis gibbosus (called also bream, pondfish, pumpkin seed, and sunny), the blue sunfish, or dollardee (L. pallidus), and the long-eared sunfish (L. auritus). Several of the species are called also pondfish..

Gymnonoti :: Gymnonoti (n. pl.) The order of fishes which includes the Gymnotus or electrical eel. The dorsal fin is wanting.

Predorsal :: Predorsal (a.) Situated in front of the back; immediately in front, or on the ventral side the dorsal part of the vertebral column..

Dosel :: Dosel (n.) Same as Dorsal, n..

Ventral :: Ventral (a.) Of, pertaining to, or situated near, the belly, or ventral side, of an animal or of one of its parts; hemal; abdominal; as, the ventral fin of a fish; the ventral root of a spinal nerve; -- opposed to dorsal..

Comatula :: Comatula (n.) A crinoid of the genus Antedon and related genera. When young they are fixed by a stem. When adult they become detached and cling to seaweeds, etc., by their dorsal cirri; -- called also feather stars..

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