Where Are The Dorsal Spines Located

Anomalous dorsal Fin Of White Perch - Springer
Detailing the anomalous first dorsal fin spines. l J/ ... Retrieve Document

Pelvic Girdle Reduction And Asymmetry In Threespine ...
Three major defence structures against predatory vertebrates: the pelvic girdle, dorsal spines, The pelvic girdle is a bilateral structure located on the ventral and lateral surfaces of the body that comprises four major elements per side: the anterior process, ascending branch, ... Get Document

Collar spine Models In The Genus Echinostoma (Trematoda ...
Collar spine models in the genus Echinostoma (Trematoda: Echinostomatidae) Ivan Kanev & Bernard Fried & Valentin Radev uneven because of the three collar spines located mid-centrally on the dorsal side of the collar. same mid-dorsal spines pre- ... Access Doc

The Making Of The Fittest: Natural Selection And Adaptation
The Making of the Fittest: Natural Selection and AdaptationThe Making of the stickleback can simultaneously flare out its pair of pelvic spines and three dorsal spines, making it difficult for predators to swallow Which lake is located between Bear Paw Lake and Frog Lake just to the ... Fetch This Document

Shark Dissection And Observation
Shark Dissection and Observation BACKGROUND INFORMATION: Its dorsal fin has spines that are mildly poisonous. Sometimes the spines are removed before classroom introduction. It is located at the posterior end of the body cavity. ... Document Retrieval

Journal Of Structural Biology - Massachusetts Institute Of ...
Each other via an articulation mechanism located along the lateral line, which is shifted towards the dorsal side of the body (Bell, 1987; Reimchen, 1983; Nelson, 1971)(Fig. 1). dorsal spines and basal plate, lateral plates, pelvic girdle and spines ... Read Full Source

The Curious Lives Of Gray Triggerfish
The crew tied off the dive boat on the mooring ball at Pleasure Reef located off Islamorada in the Florida Keys. I stepped off the dive boat into the water, Click to Continue » ... Read News

Facts About Sea Cucumbers - Marinelife.about.com
Most echinoderms have visible spines, These are located at the base of the respiratory tree, the sea cucumber's breathing organ. What Causes a Killer Whale's Dorsal Fin to Collapse? Do Sharks Lay Eggs? 10 Facts on How Scallops Live, Feed, ... Read Article

Scapula - Wikipedia, The Free Encyclopedia
Figure 2 : Left scapula. Dorsal surface. 1. Supraspinatous fossa 2. Spine 3. Infraspinatous fossa 4. Superior border 5. Superior angle 6. Medial border 7. Inferior angle 8. Lateral border 9. Lateral angle 10. Acromion 11. Coracoid process 12. Origin of teres major muscle ... Read Article

Crappie FRONT With Bleed With Copyright
White crappie have five or six dorsal spines in the anterior or spinous portion of the dorsal fin. They have pale silvery-olive shading to green or brown Suitable sites are located and guarded by the males, whose coloration becomes ... Access Full Source

Annulus Development On The Second Dorsal Spine Of The Spiny ...
Annulus development on the second dorsal spine of the spiny dogfish (Squalkss acanthias) and its validity for age determination. Can. 8. Fish. Aquat. Sci. 42: Dorsal spines have been used by Kaganovskaia (1933), Bonham et al. (19491, Aasen (1961 ... Doc Viewer

Onychopterella - Wikipedia, The Free Encyclopedia
The prosoma (head) was subrectangular, with slightly curved compound eyes located relatively centrally on the dorsal surface. Genital appendages in the female were very short with lateral with diverging distal spines. [1] Onychopterella is distinguishable from other Eurypteridae by its long ... Read Article

Synalpheus Lani, A New Species From The Mexican Pacific ...
Holotype, female. A, dorsal view of frontal portion of carapace; B, lateral dorsal spines not reaching lateral margins, located at ˜ and ¯ length of telson small, rounded projections; distal margin convex bearing two pairs of spines, most lateral about 0.4 times as long as adjacent ... Retrieve Doc

A New Species Of The Squat Lobster Genus Munida (Decapoda ...
Or 7 (left) spines on dorsal surface laterally (spines increasing in size distally, distalmost spine much stronger than others and strongly di-verging) ly inflated, and the lateral spines are located more distally than in the latter two species. For exam-ple, ... Document Retrieval

New Species Of Larval Mites From India (Acarina: Trombiculidae)
The dorsal scutum (Fig. 1 a) spines are thickly barbed and their bases are located in the postero-lateral The sensilla is flagelliform with only 4 small barbs in its apical part. Ther are 2e barbed humeral spines. There are 44 dorsal spines arrange in rowds of 10, 12, 10, 8 an Oculad 4 ... Read Full Source

SHARK DISSECTION INSTRUCTIONS - Teacher Web
SHARK DISSECTION INSTRUCTIONS Part 1: External Anatomy The spiny dogfish has the presence two dorsal spines, one immediately in front of each dorsal fin. • The pancreas is located on the duodenum and the lower stomach. ... Fetch Full Source

FINS & SCALES - University Of Florida
FINS & SCALES Youth Project Book . Page 2 . What . I. This is a single (not paired) fin located on the fish’s back. Some fish may have only one dorsal fin while examples of fish that have well developed dorsal spines which help to protect them from predators. ... Content Retrieval

Muscles Of Back Lecture - Musom.marshall.edu
MUSCLES OF THE BACK Complex but divisible into 3 groups (in layers) - all located dorsal to vertebral column - all innervated by dorsal rami of spinal nerves. ALL angled up and in toward spines; erector spinae are parallel to vertebral column. MUSCLES OF BACK ... Doc Viewer

Sternum - Wikipedia, The Free Encyclopedia
The sternum or breastbone is a long flat bone shaped like a necktie located in the center of the chest. Dorsal surface. posterior sacral foramina; Median sacral crest; Medial sacral crest; ... Read Article

Neck And Back Anatomy And Pain In Performance Horses Neck And ...
Neck and Back Anatomy and Pain in Performance Horses . vertebrae are located from the back of the skull to just in front of the first rib. The eighteen thoracic vertebrae, The dorsal spinous processes of ... Return Document

Stingray spines: A Potential Cause Of Killer Whale Mortality ...
Stingray spines: A potential cause of killer whale mortality in New Zealand hypaxial muscle (m. hypaxialis lumborum) dorsal to the oesophagus and ventral to the thoracic spinal these superficially-located spines are the result of ... Retrieve Full Source

Keys To The Identification Of Brachyuran Larvae Of The Black Sea
KEYS TO THE IDENTIFICATION OF BRACHYURAN LARVAE OF THE BLACK SEA1) BY Dorsal spine located anterior to carapace centre; Dorsal spines with small bristles, bent slightly backwards. ... View Doc

Seychelles Coral Reef Fish
Of the triggerfish are located way back where its ears should be, and its skin is very thick. Black and White Snapper Macolorniger(60cm in length). (40cm in length) and has sharp dorsal spines which may be used for defense. This angelfish ... Fetch Content

Green Sea Horse Searching For Food - YouTube
Free video about Cute sea horse. Fin dorsal to the cute sea horse is at the bottom while pektoralnya fins located on the head, near the gills. ... View Video