Elasmobranchii (sharks and rays) > Hexanchiformes (Frill and cow sharks) > Hexanchidae (Cow sharks)
Etymology: Heptranchias:hept[a] (Gr.), seven; ranchias, etymology unclear, possibly a variant spelling of anchos (Gr.), gill, possibly with the addition of -ias, borrowed from karkharías, ancient Greek for shark (cf. Carcharias Rafinesque 1810), referring to how the seven gill openings extend down onto the throat. (See ETYFish); perlo:From the French vernacular “Le Perlon,” pearl, probably referring to its smooth and grayish (“lisse & grisâtre”) skin. (See ETYFish). More on author: Bonnaterre.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 0 - 1000 m (Ref. 41394), usually 180 - 450 m (Ref. 45445). Deep-water; 58°N - 58°S, 98°W - 173°W
Distribution
Countries | FAO areas | Ecosystems | Occurrences | Fatal error: Uncaught mysqli_sql_exception: Table 'fbapp.scientificname' doesn't exist in /var/www/html/includes/speciessummary.lib.php:2366
Stack trace:
#0 /var/www/html/includes/speciessummary.lib.php(2366): mysqli->query()
#1 /var/www/html/country/CountrySpeciesSummary.php(1228): checkPointMApDisplay()
#2 {main}
thrown in /var/www/html/includes/speciessummary.lib.php on line 2366
