By Kenneth L. Gosner

ISBN-10: 061800209X

ISBN-13: 9780618002092

Greater than 1,000 illustrations, prepared in response to visible similarities, convey plant and animal species of the Atlantic Coast from the Bay of Fundy to Cape Hatteras. This consultant contains details on tips on how to find each one species through geographic variety, tidal diversity, tidal point, season, topography, and weather.

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Extra info for A Field Guide to the Atlantic Seashore: From the Bay of Fundy to Cape Hatteras (Peterson Field Guide)

Sample text

11 Larva of Kryptophanaron alfredi: A.  Enlarged head with stalk. (Baldwin and Johnson 1995. ) These ­projections may represent the anlage of the fibrocartilaginous cup, stalk as well as the light organ. Examination of the projections with light and ­electron microscopy revealed invaginations of epidermal tissue reminiscent of those characterizing the light organs of adults (Haygood personal communication cited in Baldwin and Johnson, 1995). According to Baldwin and Johnson (1995), the ultrastructure of the rod as well as the lack of any anlage below the eye for the development of the light organ and supporting structures, supports the notion that, indeed, these structures develop from the rostral rod projections.

These females are adapted for living in deep waters in a nutrient poor environment by minimal energy expenditure, relying much on lethargic drifting as documented in videos taken by unmanned submarines (Moore, 2002; Luck and Pietsch, 2008). Females also rely on an energy conserving sit and wait feeding strategy by attracting prey to their lures. This feeding strategy is particularly well suited for conserving energy, since sit and wait predators on average devote just 2% of their energy intake to swimming activities (Kitchell, 1983).

In a more sustainable approach, flashlight fishes are introduced by fisherman into small perforated bamboo cages and reused over and over again during night fishing by suspending these cages below their canoes (McCosker and Lagios, 1975; McCosker, 1977). Intraspecific communication in the field with light generated by symbiotic bacteria was reported in the context of school formation, territorial defense and sexual signaling. School Formation Schools of Photoblepharon steinitzi are not fixed formations according to Sagi (personal communication) but are reformed at night by individuals that have left their shelters and joined together.

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A Field Guide to the Atlantic Seashore: From the Bay of Fundy to Cape Hatteras (Peterson Field Guide) by Kenneth L. Gosner


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