Long was captain of the ship John and Elizabeth (296 tons), of New London, in 1854; the ship India (433 tons), of New London, in 1855, 1856, and 1857; the barque Merrimac (414 tons), of New London, in 1858; and the ship Isaac Howland (399 tons), of New Bedford, in 1860, 1861, 1862, and 1863. He used the schooner Caroline (106 tons), of New London and then Honolulu, as tender from 1855 to 1858 and from 1860 to 1862.Whalemen's Shipping List and Merchants' Transcript, New Bedford, December 22, 1857, Vol. XV, No. 41.Eliza Adams, of New Bedford, October 12–16, 1858, KWM #353.Isaac Howland and Caroline seen steering along the land to southwest. See Montezuma, of New London, October 1, 1860, off Cape Ukoy, Nicholson Whaling Collection.Whalemen's Shipping List and Merchants' Transcript, New Bedford, January 22, 1861, Vol. XVIII, No. 46.Friend, Honolulu, November 1, 1862, Vol. 11/19, No. 11, p. 88. He sailed to the Sea of Okhotsk each season. In 1854 he obtained 800 barrels of oil.Friend, Honolulu, November 22, 1854, Vol. 3/11, No. 11, p. 88. In 1855, up to September 8, he had taken 39 whales, which produced 1,800 to 1,900 barrels of oil;Whalemen's Shipping List and Merchants' Transcript, New Bedford, December 4, 1855, Vol. XIII, No. 40, p. 314. and in three seasons from 1855 to 1857, he got 8,000 to 9,000 barrels of whale oil with the help of his tender Caroline, mainly cruising in Tugur Bay and Academy Bay. He left the Caroline in Mamga Bay for the winter of 1856–1857. When he returned the following season three of the four men left with her had died, with the last expiring shortly after being taken aboard India. In 1858 he caught 52 whales,Evening Bulletin, Honolulu, March 30, 1902, Vol. 1, No. 10. which produced 1,600 barrels of oil.Friend, Honolulu, December 4, 1858, Vol. 7/15, No. 12, p. 94. In 1860 he caught three sperm whales outside of the Sea of Okhotsk as well as four bowhead whales in the sea, which yielded 40 and 200 barrels, respectively.Polynesian, Honolulu, November 10, 1860, Vol. XVII, no. 28. In 1861 he got 1,450 barrels of whale oil and 70 of sperm,Friend, Honolulu, November 18, 1861, Vol. 10/18, No. 11, p. 88. and in 1862 he caught 32 bowheads – one of which yielded 250 barrels of oil – for a total of 1,700 barrels of oil.Friend, Honolulu, December 1, 1862, Vol. 11/19, No. 12, p. 96. In 1863 he was only able to obtain 600 barrels of oil.Friend, Honolulu, November 2, 1863, Vol. 12/20, No. 11, p. 88.
