Anandakanda 1.15.146

1.15.146

pañcāsrā māṃsalā svarṇavarṇā kṛṣṇā smṛtāḥ kramāt /
yā majjantī jale grāhyā gurvī snigdhā ghanāghanāḥ //

Five-ribbed, fleshy, golden-colored, and black are they described in order.
That which sinks in water is to be taken: heavy, oily, and dense.