Summary[edit] Description: English: Fossil of Atherina cavalloi, on display at the Museo Archeologico e di Scienze Naturali - Alba, Italy. Date: 24 June 2017. Source: Own work. Author: Hectonichus.
Title: Bulletin - United States National Museum Identifier: bulletinunit20211953unit Year: 1877 (1870s) Authors: United States National Museum; Smithsonian Institution; United States. Dept. of the Interior Subjects: Science Publisher: Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off. Contributing Library: Smithsonian Libraries Digitizing Sponsor: Biodiversity Heritage Library View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: FAMILY ATHERINIDAE—SCHULTZ 293 of gill opening to midbase of caudal fin 44, from first dorsal origin to midventral line 12; median predorsal scales 18; scales in zigzag row around least depth of caudal peduncle 12. Additional counts are re- corded in table 26. Precision measurements were made on tlie holotype and one para- type and these data are recorded in thousandths of the standard length in table 27. Depth 6.8 to 7.0; head 3.8 to 4.1; snout to first dorsal origin 1.8 to 1.9, to center of anus 1.7 to 1.8, to anal origin 1.6; all in standard length. Snout 3.8 to 4.2; eye 2.8 to 3.0; tip of snout to rear of maxil- lary 3.7 to 4.0; least depth of caudal peduncle 3.6 to 3.7; postorbital Text Appearing After Image: Figure 45.—Holotype of Atherion elymus freyi, new subspecies (U.S.N.M. No. 134083) from Guam. (Drawing by Aime M. Awl.) length of head 2.3 to 2.4; distance between dorsal origins 1.5; length of longest ray of pectoral fin 1.4 to 1.5; interorbital space 3.0 to 3.1; all in length of head. Least depth of caudal peduncle in its length 3.0. Premaxillary with front margin concave; teeth minute, premaxil- lary, dentary, snout, and head generally covered by rows of denticles that appear similar to shagreen; vomer with a few teeth, palatines toothless; air bladder and body cavity ending bluntly in front of anal origin, and not extending into the haemal arches; anterior bony edge of preopercle truncate, without a concavity, posterior bony edge of preopercle with a concave notch; gill rakers moderately long and slender, a little shorter than diameter of pupil; maxillary short, not reaching to a vertical line through front of orbit, upper and lower jaws restricted at sides by a membrane between them and attached far for- ward near front of dentary; scales on opercle and in front of base of pectoral greatly enlarged; anus a little closer to anal origin than to tips of pelvics, notably in advance of anal origin; anus slightly be- hind a vertical line through first dorsal origin or under it; anal fin origin far in advance of second dorsal origin, about under tips of depressed dorsal spines; posterior edges of scales smooth, not crenulate; ascending premaxillary process very short and broad based, premaxil- lary only a little protractile. Color in alcohol.—Each scale pocket above lateral band with a few black dots, or black spots, lateral band widest above anal fin base, Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.
Summary[edit] Description: Español: Bedotia madagascariensis, pez popular en acuariofilia, la especie se integra en el grupo de los Atheriniformes. Date: 20 September 2016. Source: Own work. Author: Manuel M..
Summary[edit] Description: English: Pseudomugil signifer (Pacific blueeye) in my tank. Date: 17 April 2015, 07:26:35. Source: Own work. Author: Casliber.