 The plain maskray or brown stingray ( Neotrygon annotata ) is a species of stingray in the family Dasyatidae . It is found in shallow , soft @-@ bottomed habitats off northern Australia . Reaching 24 cm ( 9 @.@ 4 in ) in width , this species has a diamond @-@ shaped , grayish green pectoral fin disc . Its short , whip @-@ like tail has alternating black and white bands and fin folds above and below . There are short rows of thorns on the back and the base of the tail , but otherwise the skin is smooth . While this species possesses the dark mask @-@ like pattern across its eyes common to its genus , it is not ornately patterned like other maskrays . 
 The plain maskray or brown stingray ( Neotrygon annotata ) <a href='drop_aux' title='1'><mark>is</mark></a>a species of stingray in the family Dasyatidae . It is found in shallow , soft @-@ bottomed habitats off northern Australia . Reaching 24 cm ( 9 @.@ 4 in ) in width , this species <a href='got' title='2'><mark>has</mark></a> a diamond @-@ shaped , grayish green pectoral fin disc . Its short , whip @-@ like tail <a href='uninflect' title='3'><mark>has</mark></a> alternating black and white bands and fin folds above and below . <a href='dey_it' title='4'><mark>There</mark></a> are short rows of thorns on the back and the base of the tail , but otherwise the skin <a href='drop_aux' title='5'><mark>is</mark></a>smooth . While this species <a href='uninflect' title='6'><mark>possesses</mark></a> the dark mask @-@ like pattern across its eyes common to its genus , it <a href='negative_concord' title='7'><mark>is</mark></a> <a href='negative_concord' title='8'><mark>not</mark></a>ornately patterned like other maskrays . 
Da plain maskray or brown stingray ( Neotrygon annotata ) a species of stingray in tdafamily Dasyatidae . It is found in shallow , soft @-@ bottomed habitats off northern Australia . reachin 24 cm ( 9 @.@ 4 in ) in width , dis species got a diamond @-@ shaped , grayish green pectoral fin disc . Its short , whip @-@ like tail have alternating black and white bands and fin folds above and below . It is short rows of thorns on thdaacc and the base of thedail , but otherwise the skin smooth . While tdisspecies possess the dak mask @-@ like pattern across its eyes common to its genus , it ain't ornately patterned like other maskrays .